wyu1/human_sample_data_filtered-small2high-2

id stringlengths 4 7	problem stringlengths 30 1.74k	answer stringlengths 1 24	answer_type stringclasses 6 values	category stringclasses 14 values	difficulty stringclasses 2 values	eval_score int64 2 6
962217	The Wall Street Journal reported on the annual changes in the fur coat industry. It noted that one furrier from North Carolina reported his revenues are 25 per cent ahead of last year despite a decrease in mink prices from last year. According to the information provided, the demand for fur coats tends to be: A. Not available with the information provided. B. "Unitary elastic" in this price range. C. "Relatively elastic" in this price range. D. "Relatively inelastic" in this price range. E. "Perfectly inelastic" in this price range.	C	Multiple Choice	Economics	University	6
954589	$\mathbb{Q}$ is the rationals. I know that $\sqrt3 \notin \mathbb{Q}(\sqrt2)$ but so what? What does this mean in finding the minimal polynomial?	$x^2-3$	Expression	Mathematics	University	6
127663	What is the {eq}\displaystyle pH {/eq} in this buffer solution: {eq}\displaystyle 0.211 {/eq} grams weak acid (molecular weight {eq}\displaystyle 234 \text{ and } k_a = 2.5 \times 10^{-5}) \text{ added to } 35 \text{ ml water and } 0.211 {/eq} grams conjugate base added to {eq}\displaystyle 35 ml {/eq} water	4.60	Float	Chemistry	University	6
1473813	Using the superheated table at P = 700 kPa, we get, The specific internal energy of the refrigerant at the final state is, u2=390.8 kJ/kg How does one get this answer of 390.8 kj/kg?	390.8 kJ/kg	Float	Physics	University	6
1818026	For the following activity below, select the most appropriate cost driver. Inspect raw materials A) Number of different raw material items B) Number of classes offered C) Number of machine hours D) Number of employees E) Number of maintenance hours F) Number of units of raw materials received G) Number of new customers H) Number of deliveries I) Number of checks issued J) Number of customer orders	F	Multiple Choice	Business	University	6
662569	Consider bitstrings of the pattern 11....(16 dots). There are a total of 2^16 such bitstrings. Now consider the pattern 011.....(15 dots). It is clear that this pattern and the previous pattern don't overlap, since this one starts with a 0. There are a total of 2^15 such bitstrings. We can continue upto 000(16 zeros)11. If we sum them up we get 2^0 + 2^1 + ... + 2^16 = 2^17 - 1 = 131,071. However, according to the below Python program, the correct answer is 255,379: m = 0 for k in range(0, 2 ** 18): m += '11' in bin(k) What am I doing wrong?	255379	Integer	Mathematics	University	6
1803655	Keenan Co. is expected to maintain a constant 5.2 percent growth rate in its dividends indefinitely. If the company has a dividend yield of 6.3 percent, what is the required return on the company's stock?	11.50%	Percentage	Finance	University	6
506183	A 2.0 kg rod that has a length of 1.0 m and a resistance of 4.0 ohm slides with constant speed down a pair of frictionless vertical conducting rails that are joined at the bottom. Other than the rod the rest of the circuit is resistance less. A uniform magnetic field of magnitude 3.0 T is perpendicular to the plane formed by the rod and the rails. Determine the speed of the rod.	8.71 m/s	Float	Physics	University	6
1185124	You describe to your students a new committee within the university that brings together specialists from all different departments to develop a new interdisciplinary program. The structure of the committee best meets the definition of the: A) matrix structure. B) simple structure. C) boundary-less organization. D) virtual organization. E) bureaucracy.	A	Multiple Choice	Business	University	6
306723	When the interest rate a business owner would have to pay on a loan decreases, the present value of her potential investment projects? a. increases. b. decreases. c. remains unchanged. d. equals the future value.	a	Multiple Choice	Economics	University	6
468179	How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4% with 95% confidence, given that 42% of home owners had a vegetable garden?	585	Integer	Mathematics	University	6
1640838	When a plant asset is retired from productive service, (without any sale) that initially cost $100,000 and had accumulated depreciation of $80,000. What would be the correct accounting treatment/entry? A. Nothing, the company still has it B. Loss on plant asset $20000 Plant asset $20000 C. Loss $20000 Accumulated depreciation 80,000 Plant Asset 100,000	C	Multiple Choice	Business	University	6
936474	I have to prove that $\int^{R+i}_{R}\frac{cosh(az)}{cosh(\pi z)}dz$ goes to zero if R goes to infinity, given that $\left\|a\right\|<\pi$. I want to use the ML-estimation: $\left\|\int^{R+i}_{R}\frac{cosh(az)}{cosh(\pi z)}dz\right\|\leq max_{z=R+iy, 0\leq y\leq 1}\left\|\frac{cosh(az)}{cosh(\pi z)}\right\|$. How do I find a good inequality for $max_{z=R+iy, 0\leq y\leq 1}\left\|\frac{cosh(az)}{cosh(\pi z)}\right\|$?	0	Integer	Mathematics	University	6
517933	On March 1, 2019, Annapolis Company has a beginning Work in Process inventory of zero. All materials are added into production at the beginning of its production. There is only one production WIP inventory. During the month 31,000 units were started. At the end of the month all started units were 75% complete with respect to conversion. Direct Materials placed into production had a total cost of $390,000 and the total conversion cost for the month was $343,000. Annapolis uses the weighted-average process costing method. Use this information to determine the cost per equivalent unit of direct material for the month of March.	$12.58	Float	Business	University	6
534090	If $z= \arctan \frac{y}{x}$ show that $x \frac{\partial z}{\partial x}+y \frac{\partial z}{\partial y}=0$	0	Integer	Mathematics	University	6
282331	House of Flavors Ice Cream Parlor began depositing $1,000 in equal annual deposits in a fund beginning on January 2, 2014. The fund earns 10% compounded annually and the last deposit is made on January 2, 2018. How much will be in the fund on January 2, 2019, one year after the final deposit? A. $7,500 B. $6,716 C. $6,105 D. $5,641	B	Multiple Choice	Finance	University	6
1968063	On July 10, 2016, Johnson Corporation signed a purchase commitment to purchase inventory for $224,000 on or before February 15, 2017. The company's fiscal year-end is December 31. The contract was exercised on February 1, 2017, and the inventory was purchased for cash at the contract price. On the purchase date of February 1, the market price of the inventory was $234,000. The market price of the inventory on December 31, 2016, was $192,000. The company uses a perpetual inventory system. At what amount will Johnson record the inventory purchased on February 1, 2017? A. $234,000 B. $202,000 C. $192,000 D. $224,000	D	Multiple Choice	Business	University	6
1573414	How old will she be when the fund has an accumulated value of $1,000,000, given that a 22-year-old girl deposits $2,000 at the end of each year into a retirement fund with a 15% annual return?	53 years	Integer	Mathematics	University	6
1259682	Each unit of Black Corporation's inventory has a ceiling of $8,420, a normal profit margin of $1,600, and a current replacement cost of $6,650. Determine the amount per unit that should be used as the market value to apply the lower of cost or market value method to determine Black Corporation's ending inventory.	$6650	Integer	Business	University	6
1278460	T3Q30 Multiple Choice Which of the following are advantages of the payback method of project analysis? I. liquidity bias II. works well for research and development projects III. ease of use IV. arbitrary cutoff point A. I and II only B. I and III only C. II and III only D. II and IV only E. I, III, and IV only double check	B	Multiple Choice	Business	University	6
27715	Given a circle with radius $R=1$ and center $B$. Let $A$ be a point such that $AB=a$ (where $0 < a < 1$). Let $C$ be a point on the circumference, and $\angle BAC = x$. Then $AC = \dfrac{\sin(x + \sin^{-1}(\sin(x)*a))}{\sin(x)}$. If $C$ runs over the circle with uniform angular speed with respect to $A$, is there any intuition or reasoning (without calculating the integral) that explains why the average of $AC^2$ is exactly $1$?	1	Integer	Mathematics	University	6
2036496	If the required return from an asset is 10%, and the asset has a 60% probability of yielding a 20% return and a 40% probability of earning a 5% return, you should: a) Not acquire the asset since the expected return of 32% exceeds the required return b) Purchase the asset since the expected return of 14% exceeds the required return c) Buy the asset because the expected return of 32% exceeds the required return d) Forgo the investment opportunity since the expected return of 14% is too low Buy the asset because the expected return of 12.5% exceeds the required return	b	Multiple Choice	Finance	University	6
1988780	Suppose you know that a company's stock currently sells for $56 per share and the required return on the stock Is 10%. You also know that the total return on the stock is evenly divided between a capital gains yield and a dividend yield. If it's the company's policy to always maintain a constant growth rate in its dividends, what is the current dividend per share?	$2.80	Float	Business	University	6
313628	Consider a normally distributed random variable {eq}x{/eq} with a mean of 20 and a standard deviation of 30. Compute {eq}P(x \leq 80){/eq}.	0.9772	Float	Mathematics	University	6
1250068	Arts and Crafts, Inc. will pay a dividend of $2 per share in 1 year. It sells at $40 a share, and firms in the same industry provide an expected rate of return of 10%. What must be the expected growth rate of the company's dividends? (Do not round intermediate calculations. Enter your answer as a whole percent.)	5%	Percentage	Business	University	6
1454029	The following data have been provided by Dicus Corporation: Budgeted production 1,200 units Standard machine hour per unit 1.7 machine hours Standard lubricants $1.00 per machine hour Standard supplies $1.50 per machine hour Actual production 1,400 units Actual machine hours 2,500 machine hours Actual lubricants $2,387 Actual supplies $3,703 The variable overhead rate variance for supplies is closest to: a. $133 U b. $47 F c. $180 U d. $133 F	B	Multiple Choice	Business	University	5
706350	How do we get from the sum $\sum_i^n 2(n-i) (n-i+1)$ to a total cost of $\frac{2}{3}n^3$?	$\frac{2}{3}n^3$	Expression	Mathematics	University	5
946502	What is the most conservative estimate of the sample size that would limit the margin of error to within 0.05 of the population proportion for a 95% confidence interval?	385	Integer	Mathematics	University	5
1260762	A firm has total current assets of $350, total fixed assets of $4,000, and accumulated depreciation of $1,250. Total current liabilities are $325, long-term debt is $1,500, and common stock is $100. What is accumulated retained earnings?	$1,175	Integer	Business	University	5
1547648	The way in which one firm in oligopoly reacts to a change in price, output, or quality made by another oligopolist in the industry is referred to as a. cooperative game. a. zero-sum game. b. the concentration ratio. c. the reaction function.	d	Multiple Choice	Economics	University	5
1797293	A company that has a profit can increase its return on investment by: a. increasing sales revenue and operating expenses by the same dollar amount. b. increasing average operating assets and operating expenses by the same dollar amount. c. increasing sales revenue and operating expenses by the same percentage. d. decreasing average operating assets and sales by the same percentage.	c	Multiple Choice	Business	University	5
1058709	If the wage elasticity of demand for professors is {eq}\displaystyle -0.5 {/eq}, then an increase in the wage of professors from {eq}\$45,000 {/eq} to {eq}\$55,000 {/eq} will cause the quantity demanded to fall by how many percentage?	11.11%	Percentage	Economics	University	5
292927	Which of the following leads to an rightward shift in the short-run Phillips curve? I. a reduction in inflationary expectations. II. an increase in the natural rate of unemployment. III. an increase in the velocity of circulation A: I only B: II only C: I and II D: I and III	B	Multiple Choice	Economics	University	5
320860	Samsung and Apple are considering launching a new version of their respective handsets. The choices for each firm are to Enter or to Wait. The two firms make these choices simultaneously. The payoffs are as follows: If both firms choose to Enter, the payoff is 2 to each firm. If both firms choose to Wait, the payoffs are 5 to Apple and 4 to Samsung. If Apple decides to Wait and Samsung Enters, the payoffs are 8 to Apple and 4 to Samsung. Finally, if Apple Enters and Samsung Waits, the payoffs are 6 and 7 to Apple and Samsung, respectively. What are the Nash equilibria of the game? A: (Enter, Enter), where the first strategy is the strategy of Samsung and second is Apple's B: (Enter, Enter) and (Wait, Wait) C: (Enter, Wait) D: (Enter, Wait) and (Wait, Enter) E: (Wait, Wait)	D	Multiple Choice	Economics	University	5
942062	Let S be a solid bounded by a parabolic cylinder x = 6y^2 and the plane 6x = z, z = 0, and x = 6. Find the volume of S.	172.8	Float	Mathematics	University	5
1726728	An unfavorable labor quantity variance may be caused by: a. paying workers higher wages than expected. b. misallocation of workers. c. worker fatigue or carelessness. d. higher pay rates mandated by union contracts.	c	Multiple Choice	Business	University	5
161449	On a contract you have a choice of receiving $25,000 six years from now or $50,000 twelve years from now. At what implied compound annual interest rate should you be indifferent between the two contracts?	12.25%	Percentage	Finance	University	5
1432277	How large a sample must the doctor select if she desires to be 99% confident that the true population mean is at most 6 ounces away from the mean of the sample? Assume the standard deviation is 8 ounces.	12	Integer	Mathematics	University	5
1188219	What is the probability that the average NOX level of 10 cars of a particular model is above the 0.28 g/mi limit, given that the level of nitrogen oxides (NOX) in the exhaust of cars of this model varies Normally with a mean of 0.19 grams per mile (g/mi) and a standard deviation of 0.06 g/mi?	0	Float	Mathematics	University	5
808027	What sample size would be needed to construct a 95% confidence interval with a margin of error of 10 points for SAT-Math score in all Penn State statistics majors, given a sample standard deviation of 40?	62	Integer	Mathematics	University	5
563803	Up to isomorphism, there are 2 groups of order 45. How do we know that? Is there any way of calculating how many groups of order 10, 15 etc. exist up to isomorphism?	2	Integer	Mathematics	University	5
1226965	Two insulated, identical spherical metal shells {eq}A {/eq} and {eq}B {/eq} are placed side-by-side without touching each other. They carry net charge {eq}Q_A {/eq} and {eq}Q_B {/eq} respectively. The inside of shell {eq}A {/eq} is empty while a point charge {eq}q {/eq} is inside shell {eq}B {/eq} but not touching it. Which one of the following statements is correct? a. {eq}q {/eq} experiences an electric force due to both {eq}Q_A {/eq} and {eq}Q_B {/eq}. b. No charge resides on the inner surfaces of both shells. c. The magnitude of the electric force on {eq}q {/eq} is the largest when it is at the center of shell {eq}B {/eq}. d. The magnitude of the electric force on {eq}q {/eq} is the largest when it is close to, but not touching, the inner side of shell {eq}B {/eq}. e. The electric potentials inside the cavities of both shells {eq}A {/eq} and {eq}B {/eq} are constant.	e	Multiple Choice	Physics	University	5
1304045	The net initial investment for a piece of construction equipment is $2,500,000. Annual cash inflows are expected to increase by $500,000 per year. The equipment has a 10-year useful life. What is the payback period? A) 7 years B) 4 years C) 10 years D) 5 years	D	Multiple Choice	Business	University	5
345175	How do I calculate the conditional expectation of $S_3$ knowing $1=H$, given that the conditional expectation of $S_2$ knowing $1=H$ is $pS_2(HH) + qS_2(HT) = 0.516 + 0.54 = 10$ and the answer for $S_3$ is $12.50$?	12.5	Float	Mathematics	University	5
219348	$$\sum_{k=1}^n\frac{(-1)^{k+1} 2^{2k}}{k}\binom{n}{k}\binom{2k}{k}^{-1}= 2 H_{2n} - H_n$$. How can I prove this identity using generating functions or other methods? I have tried using the series expansion $\sum_{n\ge 1} \frac{2^{2n-1} }{n \binom{2n}{n}} x^{2n-1} = \frac{\arcsin x}{\sqrt{1-x^2}}$ and the binomial transform relation $G(x) = \frac{1}{1-x}\cdot F(-\frac{x}{1-x})$, but I am unsure how to proceed.	2H_{2n}-H_n	Expression	Mathematics	University	5
1352235	How to find this limit: $$ \lim_{x \to +\infty} \left[ (x+a)^{1+{1\over x}}-x^{1+{1\over x+a}}\right] $$	a	Expression	Mathematics	University	5
1074660	What is the probability that in a random sample of 400 voters, less than 49% will favor Maureen Webster, assuming she is favored by 53% of all eligible voters?	0.0548	Float	Mathematics	University	5
1373196	Consider the following statements: Marginal Cost is the cost to produce one more item. Marginal Cost is the variable cost where {eq}\displaystyle C(q) = mq + b {/eq} is our model. Marginal Revenue is the revenue obtained by producing one more unit. Marginal Cost = Marginal Revenue Always. How many of the above statements are true? a. 1 b. 2 c. 3 d. 4 e. None of these.	b	Multiple Choice	Economics	University	5
447415	Simple Questions Inc. has a cost of equity of 12 percent, and its pretax cost of debt is 6 percent. Its tax rate is 30 percent. Simple Question's debt-to-equity ratio is 2. Compute its weighted average cost of capital.	6.80%	Percentage	Finance	University	5
1287287	How many units of the sale item should the store stock in order to have at most a 1 percent chance of running short of the item on the day of the sale, given that 43 percent of 1,462 customers will purchase the item, there is a one-item-per-customer limit, and customers make independent purchase decisions?	673	Integer	Mathematics	University	5
810895	Let x and y be functions of time t that are related by the equation y^2 = xy + e. At time t = 1, the value of y is e and dy/dt = 2. Find dx/dt when t = 1.	2/e + 2	Expression	Mathematics	University	5
808900	A company has just completed a year which resulted in $10 earning per share and has just paid 30% of this amount to its shareholders as a dividend. Assume the common stock of similar companies returns 15% to their investors. If the company expects similar results in the foreseeable future, how much should a share of stock in this firm be worth?	$20	Integer	Finance	University	5
1552311	UMUC STAT Club wanted to estimate the study hours of STAT 200 students. Two STAT 200 sections were randomly selected and all students from these two sections were asked to fill out the questionnaire. This type of sampling is called: a) cluster b) convenience c) systematic d) stratified	a	Multiple Choice	Mathematics	University	5
1487492	Portfolio required return - Suppose you are the money manager of a $4.99 million investment fund. The fund consists of four stocks with the following investments and betas: Stock/Investment/Beta A/$440,000/1.50, B/760,000/- 0.50, C/1,340,000/1.25, D/2,450,000/0.75. If the market's required rate of return is 13% and the risk-free rate is 7%, what is the fund's required rate of return? Do not round intermediate calculations. Round your answer to two decimal places.	11.56%	Percentage	Finance	University	5
1384049	"Inventory to net working capital" is an example of a(n): A) leverage ratio B) liquidity ratio C) activity ratio D) asset management ratio E) profitability ratio	B	Multiple Choice	Business	University	5
394937	Determine the beta coefficient for a stock with a return of 10%, a risk-free rate of 3%, and a market return of 9%.	1.17	Float	Finance	University	5
346391	You expect to receive $16,000 at graduation in two years. You plan on investing it at 8 percent until you have $100,000. How long will you wait from now? A. 28.91 years B. 25.81 years C. 21.81 years D. 23.81 years E. 28.39 years	B	Multiple Choice	Finance	University	5
1483632	Verizon Communications, Inc., provides the following footnote relating to its leasing activities in its 10-K report. The aggregate minimum rental commitments under noncancelable leases for the periods shown at December 31, 2012, are as follows (dollars in millions): Years Capital Leases Operating Leases 2013 $86 $2,038 2014 67 1,840 2015 57 1,572 2016 54 1,280 2017 44 992 Thereafter 99 4,119 Total minimum rental commitments 407 $11,841 Less interest and executory costs (109) Present value of minimum lease payments 298 Less current installments (64) Long-term obligation at December 31, 2012 $234 Using your financial calculator or Excel Spreadsheet, confirm that Verizon capitalized its capital leases using a rate of 9.44%	9.44%	Percentage	Finance	University	5
1246952	Assume that a company has the following situation existing at its year-end: Current portion of a serial bond payable being paid from a sinking fund. Use yes, no, or optional to indicate whether the situation should or should not be classified as a current liability, or if accrual is optional.	yes	Multiple Choice	Business	University	5
606816	Gilpatric Corporation produces and sells two products. In the most recent month, Product Q71M had sales of $28,000 and variable expenses of $7,840. Product V04P had sales of $49,000 and variable expenses of $27,580. The fixed expenses of the entire company were $34,630. The break-even point for the entire company is closest to _____.	64,130	Integer	Business	University	5
1335162	Let S be the part of the plane 2x+1y+z = 4 which lies in the first octant, oriented upward. Use Stokes' theorem to find the flux of the vector field F = 4i+3j+2k across the surface S.	0	Integer	Mathematics	University	5
172923	United Systems is one of the country's largest distributors of servers and video-conferencing technology. Recently, the company successfully expanded into three new markets. The company's CFO needs to perform a post-audit to examine the feasibility of expanding into more new markets. Which of the following would be part of the post-audit? a. Explaining why the company spent three times more on shipping products than what was forecast. b. Comparing the company's actual sales volume in the new markets to the company's expected sales volume in the new markets. c. Determining which markets the company should expand into next. d. When a firm is forced to employ capital rationing, it generally means that the firm has positive NPV projects than it can finance.	b	Multiple Choice	Business	University	5
230615	Suppose your portfolio mirrors the S&P 500 index and is valued currently at $2,000,000. The S&P 500 index is currently at 2,000. What action is needed to provide protection against the value of the portfolio falling below $1,900,000 in 6 months? a. Buy 1,000 6-month S&P 500 put options with strike price of 1800. b. Buy 500 6-month S&P 500 put options with strike price of 1800. c. Buy 1,000 6-month S&P 500 put options with strike price of 1900. d. Buy 500 6-month S&P 500 put options with strike price of 1900	c	Multiple Choice	Finance	University	5
1133667	Let $\mathbf X \equiv [\mathbf x_i]$ be a $m \times n$ array of $n$, $m$-dimensional vectors, and $\mathbf X^+$ be its right Moore-Penrose pseudoinverse ($\mathbf X \mathbf X^+ = I_m$). Prove that $\sum_{i=1}^n \\| \mathbf X^+ \mathbf x_i \\|^2 = m$.	m	Integer	Mathematics	University	5
333375	Use polar coordinates to find the limit: {eq}\displaystyle \lim_{(x,y)\to(0,0)} \frac{1 - \cos(x^2 + y^2)}{4x^2 + 4y^2} {/eq} and note that {eq}\displaystyle (x, y) \to (0, 0) \text{ implies } r \to 0. {/eq}	0	Float	Mathematics	University	5
377298	On December 31, 2016, Bart Inc. purchased a machine from Fell Corp. in exchange for a noninterest-bearing note requiring eight payments of $20,000. The first payment was made on December 31, 2016, and the remaining seven payments are due annually on each December 31, beginning in 2017. At the date of the transaction, the prevailing rate of interest for this type of note was 11%. Present value factors are as follows: Period Present value of ordinary annuity of 1 at 11% Present value of an annuity due of 1 at 11% 7 4.712 5.231 8 5.146 5.712 The initial value of the machine is: a. $114,240 b. $104,620 c. $94,240 d. $102,920	a	Multiple Choice	Business	University	5
718014	You've borrowed $4,248.68 and agreed to pay back the loan with monthly payments of $200. If the interest rate is 12% stated as an APR, what is the effective annual rate on the loan?	12.68%	Percentage	Mathematics	University	5
1333155	Is there a combinatorial proof that $\frac{1}{2^{n}}\cdot\sum\limits_{k=0}^nC_n^k \cdot \sqrt{1+2^{2n}v^{2k}(1-v)^{2(n-k)}}$ tends to 2 as $n$ tends to infinity for $v\in (0,\, 1),\ v\neq 1/2$? How would you solve this problem?	2	Integer	Mathematics	PhD	5
455187	By using a double integral find the area of the ellipse {eq}\displaystyle \frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1 {/eq} if {eq}a > 0, b > 0. {/eq}	\pi ab	Expression	Mathematics	University	5
342056	What is the number of observations that need to be taken to be 99.7% confident that the results will not be more than 6% from the true result, given an initial estimate that the tellers are idle 15% of the time?	319	Integer	Mathematics	University	5
1863615	The ____ approach to performance appraisal is most frequently used for production employees and is basically a form of goal setting for these employees. A. forced-distribution B. critical-incident C. management by objectives D. work standards	C	Multiple Choice	Business	University	5
169045	Is $a=0$ the critical bifurcation value for the differential equation $y'=ay-y^2$? I am confused because for $a =0$ we only have 1 equilibrium value but for any other $a$, we have two such values. Shouldn't the equilibrium values diminish beyond a certain point for that point to be called critical bifurcation value?	a=0	Integer	Mathematics	University	5
567981	Baldwin Corp. ended the year carrying $18,475,000 worth of inventory. Had they sold their entire inventory at their current prices, how many more dollars of contribution margin would it have brought to Baldwin Corp.? a. $39,003,380 b. $10,625,000 c. $29,107,000 d. $18,475,000	D	Multiple Choice	Business	University	5
193851	In the short run, the cost of _____ is variable, whereas the cost of _____ is fixed. A. electricity; wages B. labor; capital C. capital; raw materials D. capital; labor E. raw materials; labor	B	Multiple Choice	Economics	University	5
424252	Which is a required characteristic of a perfectly competitive industry? a. Barriers to entry are high. b. There are few firms so that none can influence market price. c. Products are highly differentiated. d. None of the above	d	Multiple Choice	Economics	University	5
1684336	In applying the CAPM to estimate the cost of equity capital, which of the following elements is not subject to dispute or controversy? a. The expected rate of return on the market b. The stock's beta coefficient c. The risk-free rate d. The market risk premium (RPM) e. All of the above are subject to dispute.	e	Multiple Choice	Business	University	5
448613	Find the derivative using first principles: ln(3x)	1/x	Expression	Mathematics	University	5
1231151	If g(1) = 3, g'(1) = -4 find f'(1) for f(x) = (g(√x) + ln x)^3	-27	Integer	Mathematics	University	5
1626775	The payment of a previously declared cash dividend has an overall effect of: A. Reducing retained earnings and reducing liabilities by the amount of the dividend. B. Reducing retained earnings and increasing contributed capital by the same amount. C. Reducing assets and reducing liabilities by the amount of the dividend. D. Reducing both assets and retained earnings by the amount of the dividend.	D	Multiple Choice	Business	University	5
1903457	The Monroe Corporation has 100,000 common shares issued and outstanding. This stock was issued several years ago, at a price above the $10 per share par value. During the current year, the board of directors declared a 30 percent stock dividend so that 30,000 new shares were issued to the stockholders when the price of the stock was $30 per share. As a result of this dividend, what reduction was recorded in the reported amount of retained earnings? A. zero B. 300K C. 600K D. 900K	D	Multiple Choice	Business	University	5
1721069	How was the lower bound of 262140 reached for tree(3) in the weak tree function, prior to the current lower bound of 844,424,930,131,960?	262140	Integer	Mathematics	PhD	5
1642852	HR Industries (HRI) has a beta of 2.4, while LR Industries's (LRI) beta is 0.5. The risk-free rate is 6%, and the required rate of return on an average stock is 13%. The expected rate of inflation built into rRF falls by 1.5 percentage points; the real risk-free rate remains constant; the required return on the market falls to 10.5%; and all betas remain constant. After all of these changes, what will be the difference in the required returns for HRI and LRI?	11.4%	Percentage	Finance	University	5
80588	Consider an open economy with flexible exchange rates. Given what you know about the effects of fiscal policy, how does a foreign fiscal expansion affect domestic output if the domestic central bank does not change the policy rate? A. A foreign fiscal expansion is likely to increase domestic output. B. A foreign fiscal expansion has no effect on domestic output. C. A foreign fiscal expansion is likely to decrease domestic output. D. A foreign fiscal expansion has an ambiguous effect on domestic output.	A	Multiple Choice	Economics	University	5
1480648	Find the limit: {eq}\lim_{(x,y) \rightarrow (0,0)} \frac{x(y^2) \cos(y)}{x^2 + y^4} {/eq}	0	Integer	Mathematics	University	5
762980	How do I calculate the radius of the power sum of: $$\sum_{n=1}^\infty 2^n x^{n^2}$$	1	Integer	Mathematics	University	5
382597	The most recent balance sheet and income statement of Penaloza Corporation appear below: Comparative Balance Sheet Ending Balance Beginning Balance Assets Cash and cash equivalents$47 $39 Accounts receivable 49 55 Inventory 36 39 Property, plant and equipment474 370 Less accumulated depreciation250 218 Total assets $356 $285 Liabilities and stockholders' equity: Accounts payable$36 $35 Accrued liabilities27 25 Income taxes payable36 44 Bonds payable88 80 Common stock45 40 Retained earnings124 61 Total liabilities and equity$356 $285 Income Statement Sales $773 Cost of goods sold468 Gross margin305 Selling and administrative expense189 Net opening income 116 Income taxes35 Net Income$81 The company paid a cash dividend of $18. It did not dispose of any property, plant and equipment. The company did not retire any bonds payable or repurchase any of its own common stock. The following question pertains to the company's statement of cash flows. The net cash provided by (used in) investing activities for the year was:	-$104	Integer	Business	University	5
1684999	A firm has total assets of $1,000,000 and a debt ratio of 30%. Currently, it has sales of $2,500,000, total fixed costs of $1,000,000, and EBIT of $50,000. If the firm's before-tax cost of debt is 10% and the firm's tax rate is 40%, what is the firm's ROE?	1.71%	Percentage	Business	University	5
109871	Excerpts from Dowling Company's December 31, 2016, and 2015, financial statements and key ratios are presented below (all dollar values are in millions): 20162015 Accounts receivable (net)$30$26 Net sales$150$128 Cost of goods sold$104$89 Net income$30$27 Inventory turnover6.50 Return on assets11.2% Equity multiple2.45 Dowling's average total assets for 2016 are: A. 52 B. 270 C. 150 D. 268	D	Multiple Choice	Business	University	5
1350572	Find the volume of the region between the planes x + y + z = 4 and 4x + 4y + z = 16 in the first octant.	32	Integer	Mathematics	University	5
2050786	If an electron is to escape from a one-dimensional, finite well by absorbing a photon, which is true? A The photon's energy must equal the difference between the electron?s initial energy level and any energy value in the nonquantized region. B The photon's energy must equal the difference between the zero energy level and the bottom of the nonquantized region. C The photon's energy must equal the difference between the electron's initial energy level and the bottom of the nonquantized region.	C	Multiple Choice	Physics	University	5
674088	Why is the probability at draw $i$ of a candidate's being the largest in the entire sample equal to the probability that the maximum is among the first $i$ draws, namely $i/n$, in the secretary problem with $n=100$? Specifically, if the maximum appears among the first $i$ draws, wouldn't that preclude $i$ from being a candidate?	i/n	Expression	Mathematics	University	5
786498	I would like to find an approximation for the lowest value at which the function $$f_a(x)=\frac{(2x)!}{(x!)^a}$$ forms a bell curve shape rather than diverging.	a = 2	Integer	Mathematics	University	5
708044	Which of the following statements is true? A) A forced rider is someone who helps pay for a public good but doesn't get any benefit from it. B) Public schooling is a private good. C) Public goods should be produced up to the point where consumer surplus equals producer surplus. D) The government cannot produce private goods.	A	Multiple Choice	Economics	University	5
332654	Two equal positive point charges, each of charge {eq}q{/eq}, are separated by distance {eq}L{/eq}. There are no other charges anywhere. The potential at the midpoint of the line joining the charges is defined to be zero. The electrostatic potential at an infinite distance from the two charges is therefore:	0	Integer	Physics	University	5
1675480	What is the integral of a natural log?	xln(x)-x + C	Expression	Mathematics	University	5
2088667	Use double integration to find the area of the plane region enclosed by the curves y = 39 \sin x and y = 39 \cos x, for 0 \leq x \leq \frac{\pi}{4}.	39(\sqrt{2}-1)	Expression	Mathematics	University	5
1819457	Nick's camera ship carries Zodiac instant print film. The film normally costs Nick $3.20 per roll, and he sells it for $5.25 Zodiac has a shelf life of 18 months. Nick's average sales are 21 rolls per week. His annual inventory holding cost rate is 25% and it costs Nick $20 to place an order with Zodiac. If Zodiac offers a 7% discount on orders of 400 rolls or more, a 10% discount for 900 rolls or more, and a 15% discount for 2000 rolls or more, determine Nick's optimal order quantity. D=21(52)=1092 ; Ch=.25; Co=20	400	Integer	Business	University	5
18620	Find all the local maxima, local minima, and saddle points of the function f(x,y) = x^2 + xy + y^2 + 2x - 5y + 2.	(-3,4)	Expression	Mathematics	University	5
937731	The income statement of Dolan Corporation for 2017 included the following items: Interest revenue$141,000 Salaries and wages expense$210,000 Insurance expense$21,200 The following balances have been excerpted from Dolan Corporation's balance sheets: December 31, 2017 December 31, 2016 Interest receivable $18,200$15,000 Salaries and wages payable $17,800$8,400 Prepaid insurance $2,200$3,000 The cash paid for insurance premiums during 2017 was _____.	22000	Integer	Business	University	5
102373	You have $10,000 and you want to know if Utes,LLC is a good buy. The firm's total risk is 15%, its systematic risk is 0.8, the t-bill rate is 1.2%, the 30 year treasury rate is 3.5%, and the average market return is 9.5%. According to the CAPM, what is the expected return on Utes, LLC?	7.84%	Percentage	Finance	University	5

962217

The Wall Street Journal reported on the annual changes in the fur coat industry. It noted that one furrier from North Carolina reported his revenues are 25 per cent ahead of last year despite a decrease in mink prices from last year. According to the information provided, the demand for fur coats tends to be: A. Not available with the information provided. B. "Unitary elastic" in this price range. C. "Relatively elastic" in this price range. D. "Relatively inelastic" in this price range. E. "Perfectly inelastic" in this price range.

C

Multiple Choice

Economics

University

6

954589

$\mathbb{Q}$ is the rationals. I know that $\sqrt3 \notin \mathbb{Q}(\sqrt2)$ but so what? What does this mean in finding the minimal polynomial?

$x^2-3$

Expression

Mathematics

University

6

127663

What is the {eq}\displaystyle pH {/eq} in this buffer solution: {eq}\displaystyle 0.211 {/eq} grams weak acid (molecular weight {eq}\displaystyle 234 \text{ and } k_a = 2.5 \times 10^{-5}) \text{ added to } 35 \text{ ml water and } 0.211 {/eq} grams conjugate base added to {eq}\displaystyle 35 ml {/eq} water

4.60

Float

Chemistry

University

6

1473813

Using the superheated table at P = 700 kPa, we get, The specific internal energy of the refrigerant at the final state is, u2=390.8 kJ/kg How does one get this answer of 390.8 kj/kg?

390.8 kJ/kg

Float

Physics

University

6

1818026

For the following activity below, select the most appropriate cost driver. Inspect raw materials A) Number of different raw material items B) Number of classes offered C) Number of machine hours D) Number of employees E) Number of maintenance hours F) Number of units of raw materials received G) Number of new customers H) Number of deliveries I) Number of checks issued J) Number of customer orders

F

Multiple Choice

Business

University

6

662569

Consider bitstrings of the pattern 11....(16 dots). There are a total of 2^16 such bitstrings. Now consider the pattern 011.....(15 dots). It is clear that this pattern and the previous pattern don't overlap, since this one starts with a 0. There are a total of 2^15 such bitstrings. We can continue upto 000(16 zeros)11. If we sum them up we get 2^0 + 2^1 + ... + 2^16 = 2^17 - 1 = 131,071. However, according to the below Python program, the correct answer is 255,379: m = 0 for k in range(0, 2 ** 18): m += '11' in bin(k) What am I doing wrong?

255379

Integer

Mathematics

University

6

1803655

Keenan Co. is expected to maintain a constant 5.2 percent growth rate in its dividends indefinitely. If the company has a dividend yield of 6.3 percent, what is the required return on the company's stock?

11.50%

Percentage

Finance

University

6

506183

A 2.0 kg rod that has a length of 1.0 m and a resistance of 4.0 ohm slides with constant speed down a pair of frictionless vertical conducting rails that are joined at the bottom. Other than the rod the rest of the circuit is resistance less. A uniform magnetic field of magnitude 3.0 T is perpendicular to the plane formed by the rod and the rails. Determine the speed of the rod.

8.71 m/s

Float

Physics

University

6

1185124

You describe to your students a new committee within the university that brings together specialists from all different departments to develop a new interdisciplinary program. The structure of the committee best meets the definition of the: A) matrix structure. B) simple structure. C) boundary-less organization. D) virtual organization. E) bureaucracy.

A

Multiple Choice

Business

University

6

306723

When the interest rate a business owner would have to pay on a loan decreases, the present value of her potential investment projects? a. increases. b. decreases. c. remains unchanged. d. equals the future value.

a

Multiple Choice

Economics

University

6

468179

How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4% with 95% confidence, given that 42% of home owners had a vegetable garden?

585

Integer

Mathematics

University

6

1640838

When a plant asset is retired from productive service, (without any sale) that initially cost $100,000 and had accumulated depreciation of $80,000. What would be the correct accounting treatment/entry? A. Nothing, the company still has it B. Loss on plant asset $20000 Plant asset $20000 C. Loss $20000 Accumulated depreciation 80,000 Plant Asset 100,000

C

Multiple Choice

Business

University

6

936474

I have to prove that $\int^{R+i}_{R}\frac{cosh(az)}{cosh(\pi z)}dz$ goes to zero if R goes to infinity, given that $\left|a\right|<\pi$. I want to use the ML-estimation: $\left|\int^{R+i}_{R}\frac{cosh(az)}{cosh(\pi z)}dz\right|\leq max_{z=R+iy, 0\leq y\leq 1}\left|\frac{cosh(az)}{cosh(\pi z)}\right|$. How do I find a good inequality for $max_{z=R+iy, 0\leq y\leq 1}\left|\frac{cosh(az)}{cosh(\pi z)}\right|$?

0

Integer

Mathematics

University

6

517933

On March 1, 2019, Annapolis Company has a beginning Work in Process inventory of zero. All materials are added into production at the beginning of its production. There is only one production WIP inventory. During the month 31,000 units were started. At the end of the month all started units were 75% complete with respect to conversion. Direct Materials placed into production had a total cost of $390,000 and the total conversion cost for the month was $343,000. Annapolis uses the weighted-average process costing method. Use this information to determine the cost per equivalent unit of direct material for the month of March.

$12.58

Float

Business

University

6

534090

If $z= \arctan \frac{y}{x}$ show that $x \frac{\partial z}{\partial x}+y \frac{\partial z}{\partial y}=0$

0

Integer

Mathematics

University

6

282331

House of Flavors Ice Cream Parlor began depositing $1,000 in equal annual deposits in a fund beginning on January 2, 2014. The fund earns 10% compounded annually and the last deposit is made on January 2, 2018. How much will be in the fund on January 2, 2019, one year after the final deposit? A. $7,500 B. $6,716 C. $6,105 D. $5,641

B

Multiple Choice

Finance

University

6

1968063

On July 10, 2016, Johnson Corporation signed a purchase commitment to purchase inventory for $224,000 on or before February 15, 2017. The company's fiscal year-end is December 31. The contract was exercised on February 1, 2017, and the inventory was purchased for cash at the contract price. On the purchase date of February 1, the market price of the inventory was $234,000. The market price of the inventory on December 31, 2016, was $192,000. The company uses a perpetual inventory system. At what amount will Johnson record the inventory purchased on February 1, 2017? A. $234,000 B. $202,000 C. $192,000 D. $224,000

D

Multiple Choice

Business

University

6

1573414

How old will she be when the fund has an accumulated value of $1,000,000, given that a 22-year-old girl deposits $2,000 at the end of each year into a retirement fund with a 15% annual return?

53 years

Integer

Mathematics

University

6

1259682

Each unit of Black Corporation's inventory has a ceiling of $8,420, a normal profit margin of $1,600, and a current replacement cost of $6,650. Determine the amount per unit that should be used as the market value to apply the lower of cost or market value method to determine Black Corporation's ending inventory.

$6650

Integer

Business

University

6

1278460

T3Q30 Multiple Choice Which of the following are advantages of the payback method of project analysis? I. liquidity bias II. works well for research and development projects III. ease of use IV. arbitrary cutoff point A. I and II only B. I and III only C. II and III only D. II and IV only E. I, III, and IV only double check

B

Multiple Choice

Business

University

6

27715

Given a circle with radius $R=1$ and center $B$. Let $A$ be a point such that $AB=a$ (where $0 < a < 1$). Let $C$ be a point on the circumference, and $\angle BAC = x$. Then $AC = \dfrac{\sin(x + \sin^{-1}(\sin(x)*a))}{\sin(x)}$. If $C$ runs over the circle with uniform angular speed with respect to $A$, is there any intuition or reasoning (without calculating the integral) that explains why the average of $AC^2$ is exactly $1$?

1

Integer

Mathematics

University

6

2036496

If the required return from an asset is 10%, and the asset has a 60% probability of yielding a 20% return and a 40% probability of earning a 5% return, you should: a) Not acquire the asset since the expected return of 32% exceeds the required return b) Purchase the asset since the expected return of 14% exceeds the required return c) Buy the asset because the expected return of 32% exceeds the required return d) Forgo the investment opportunity since the expected return of 14% is too low Buy the asset because the expected return of 12.5% exceeds the required return

b

Multiple Choice

Finance

University

6

1988780

Suppose you know that a company's stock currently sells for $56 per share and the required return on the stock Is 10%. You also know that the total return on the stock is evenly divided between a capital gains yield and a dividend yield. If it's the company's policy to always maintain a constant growth rate in its dividends, what is the current dividend per share?

$2.80

Float

Business

University

6

313628

Consider a normally distributed random variable {eq}x{/eq} with a mean of 20 and a standard deviation of 30. Compute {eq}P(x \leq 80){/eq}.

0.9772

Float

Mathematics

University

6

1250068

Arts and Crafts, Inc. will pay a dividend of $2 per share in 1 year. It sells at $40 a share, and firms in the same industry provide an expected rate of return of 10%. What must be the expected growth rate of the company's dividends? (Do not round intermediate calculations. Enter your answer as a whole percent.)

5%

Percentage

Business

University

6

1454029

The following data have been provided by Dicus Corporation: Budgeted production 1,200 units Standard machine hour per unit 1.7 machine hours Standard lubricants $1.00 per machine hour Standard supplies $1.50 per machine hour Actual production 1,400 units Actual machine hours 2,500 machine hours Actual lubricants $2,387 Actual supplies $3,703 The variable overhead rate variance for supplies is closest to: a. $133 U b. $47 F c. $180 U d. $133 F

B

Multiple Choice

Business

University

5

706350

How do we get from the sum $\sum_i^n 2(n-i) (n-i+1)$ to a total cost of $\frac{2}{3}n^3$?

$\frac{2}{3}n^3$

Expression

Mathematics

University

5

946502

What is the most conservative estimate of the sample size that would limit the margin of error to within 0.05 of the population proportion for a 95% confidence interval?

385

Integer

Mathematics

University

5

1260762

A firm has total current assets of $350, total fixed assets of $4,000, and accumulated depreciation of $1,250. Total current liabilities are $325, long-term debt is $1,500, and common stock is $100. What is accumulated retained earnings?

$1,175

Integer

Business

University

5

1547648

The way in which one firm in oligopoly reacts to a change in price, output, or quality made by another oligopolist in the industry is referred to as a. cooperative game. a. zero-sum game. b. the concentration ratio. c. the reaction function.

d

Multiple Choice

Economics

University

5

1797293

A company that has a profit can increase its return on investment by: a. increasing sales revenue and operating expenses by the same dollar amount. b. increasing average operating assets and operating expenses by the same dollar amount. c. increasing sales revenue and operating expenses by the same percentage. d. decreasing average operating assets and sales by the same percentage.

c

Multiple Choice

Business

University

5

1058709

If the wage elasticity of demand for professors is {eq}\displaystyle -0.5 {/eq}, then an increase in the wage of professors from {eq}\$45,000 {/eq} to {eq}\$55,000 {/eq} will cause the quantity demanded to fall by how many percentage?

11.11%

Percentage

Economics

University

5

292927

Which of the following leads to an rightward shift in the short-run Phillips curve? I. a reduction in inflationary expectations. II. an increase in the natural rate of unemployment. III. an increase in the velocity of circulation A: I only B: II only C: I and II D: I and III

B

Multiple Choice

Economics

University

5

320860

Samsung and Apple are considering launching a new version of their respective handsets. The choices for each firm are to Enter or to Wait. The two firms make these choices simultaneously. The payoffs are as follows: If both firms choose to Enter, the payoff is 2 to each firm. If both firms choose to Wait, the payoffs are 5 to Apple and 4 to Samsung. If Apple decides to Wait and Samsung Enters, the payoffs are 8 to Apple and 4 to Samsung. Finally, if Apple Enters and Samsung Waits, the payoffs are 6 and 7 to Apple and Samsung, respectively. What are the Nash equilibria of the game? A: (Enter, Enter), where the first strategy is the strategy of Samsung and second is Apple's B: (Enter, Enter) and (Wait, Wait) C: (Enter, Wait) D: (Enter, Wait) and (Wait, Enter) E: (Wait, Wait)

D

Multiple Choice

Economics

University

5

942062

Let S be a solid bounded by a parabolic cylinder x = 6y^2 and the plane 6x = z, z = 0, and x = 6. Find the volume of S.

172.8

Float

Mathematics

University

5

1726728

An unfavorable labor quantity variance may be caused by: a. paying workers higher wages than expected. b. misallocation of workers. c. worker fatigue or carelessness. d. higher pay rates mandated by union contracts.

c

Multiple Choice

Business

University

5

161449

On a contract you have a choice of receiving $25,000 six years from now or $50,000 twelve years from now. At what implied compound annual interest rate should you be indifferent between the two contracts?

12.25%

Percentage

Finance

University

5

1432277

How large a sample must the doctor select if she desires to be 99% confident that the true population mean is at most 6 ounces away from the mean of the sample? Assume the standard deviation is 8 ounces.

12

Integer

Mathematics

University

5

1188219

What is the probability that the average NOX level of 10 cars of a particular model is above the 0.28 g/mi limit, given that the level of nitrogen oxides (NOX) in the exhaust of cars of this model varies Normally with a mean of 0.19 grams per mile (g/mi) and a standard deviation of 0.06 g/mi?

0

Float

Mathematics

University

5

808027

What sample size would be needed to construct a 95% confidence interval with a margin of error of 10 points for SAT-Math score in all Penn State statistics majors, given a sample standard deviation of 40?

62

Integer

Mathematics

University

5

563803

Up to isomorphism, there are 2 groups of order 45. How do we know that? Is there any way of calculating how many groups of order 10, 15 etc. exist up to isomorphism?

2

Integer

Mathematics

University

5

1226965

Two insulated, identical spherical metal shells {eq}A {/eq} and {eq}B {/eq} are placed side-by-side without touching each other. They carry net charge {eq}Q_A {/eq} and {eq}Q_B {/eq} respectively. The inside of shell {eq}A {/eq} is empty while a point charge {eq}q {/eq} is inside shell {eq}B {/eq} but not touching it. Which one of the following statements is correct? a. {eq}q {/eq} experiences an electric force due to both {eq}Q_A {/eq} and {eq}Q_B {/eq}. b. No charge resides on the inner surfaces of both shells. c. The magnitude of the electric force on {eq}q {/eq} is the largest when it is at the center of shell {eq}B {/eq}. d. The magnitude of the electric force on {eq}q {/eq} is the largest when it is close to, but not touching, the inner side of shell {eq}B {/eq}. e. The electric potentials inside the cavities of both shells {eq}A {/eq} and {eq}B {/eq} are constant.

e

Multiple Choice

Physics

University

5

1304045

The net initial investment for a piece of construction equipment is $2,500,000. Annual cash inflows are expected to increase by $500,000 per year. The equipment has a 10-year useful life. What is the payback period? A) 7 years B) 4 years C) 10 years D) 5 years

D

Multiple Choice

Business

University

5

345175

How do I calculate the conditional expectation of $S_3$ knowing $1=H$, given that the conditional expectation of $S_2$ knowing $1=H$ is $p*S_2(HH) + q*S_2(HT) = 0.5*16 + 0.5*4 = 10$ and the answer for $S_3$ is $12.50$?

12.5

Float

Mathematics

University

5

219348

$$\sum_{k=1}^n\frac{(-1)^{k+1} 2^{2k}}{k}\binom{n}{k}\binom{2k}{k}^{-1}= 2 H_{2n} - H_n$$. How can I prove this identity using generating functions or other methods? I have tried using the series expansion $\sum_{n\ge 1} \frac{2^{2n-1} }{n \binom{2n}{n}} x^{2n-1} = \frac{\arcsin x}{\sqrt{1-x^2}}$ and the binomial transform relation $G(x) = \frac{1}{1-x}\cdot F(-\frac{x}{1-x})$, but I am unsure how to proceed.

2H_{2n}-H_n

Expression

Mathematics

University

5

1352235

How to find this limit: $$ \lim_{x \to +\infty} \left[ (x+a)^{1+{1\over x}}-x^{1+{1\over x+a}}\right] $$

a

Expression

Mathematics

University

5

1074660

What is the probability that in a random sample of 400 voters, less than 49% will favor Maureen Webster, assuming she is favored by 53% of all eligible voters?

0.0548

Float

Mathematics

University

5

1373196

Consider the following statements: Marginal Cost is the cost to produce one more item. Marginal Cost is the variable cost where {eq}\displaystyle C(q) = mq + b {/eq} is our model. Marginal Revenue is the revenue obtained by producing one more unit. Marginal Cost = Marginal Revenue Always. How many of the above statements are true? a. 1 b. 2 c. 3 d. 4 e. None of these.

b

Multiple Choice

Economics

University

5

447415

Simple Questions Inc. has a cost of equity of 12 percent, and its pretax cost of debt is 6 percent. Its tax rate is 30 percent. Simple Question's debt-to-equity ratio is 2. Compute its weighted average cost of capital.

6.80%

Percentage

Finance

University

5

1287287

How many units of the sale item should the store stock in order to have at most a 1 percent chance of running short of the item on the day of the sale, given that 43 percent of 1,462 customers will purchase the item, there is a one-item-per-customer limit, and customers make independent purchase decisions?

673

Integer

Mathematics

University

5

810895

Let x and y be functions of time t that are related by the equation y^2 = xy + e. At time t = 1, the value of y is e and dy/dt = 2. Find dx/dt when t = 1.

2/e + 2

Expression

Mathematics

University

5

808900

A company has just completed a year which resulted in $10 earning per share and has just paid 30% of this amount to its shareholders as a dividend. Assume the common stock of similar companies returns 15% to their investors. If the company expects similar results in the foreseeable future, how much should a share of stock in this firm be worth?

$20

Integer

Finance

University

5

1552311

UMUC STAT Club wanted to estimate the study hours of STAT 200 students. Two STAT 200 sections were randomly selected and all students from these two sections were asked to fill out the questionnaire. This type of sampling is called: a) cluster b) convenience c) systematic d) stratified

a

Multiple Choice

Mathematics

University

5

1487492

Portfolio required return - Suppose you are the money manager of a $4.99 million investment fund. The fund consists of four stocks with the following investments and betas: Stock/Investment/Beta A/$440,000/1.50, B/760,000/- 0.50, C/1,340,000/1.25, D/2,450,000/0.75. If the market's required rate of return is 13% and the risk-free rate is 7%, what is the fund's required rate of return? Do not round intermediate calculations. Round your answer to two decimal places.

11.56%

Percentage

Finance

University

5

1384049

"Inventory to net working capital" is an example of a(n): A) leverage ratio B) liquidity ratio C) activity ratio D) asset management ratio E) profitability ratio

B

Multiple Choice

Business

University

5

394937

Determine the beta coefficient for a stock with a return of 10%, a risk-free rate of 3%, and a market return of 9%.

1.17

Float

Finance

University

5

346391

You expect to receive $16,000 at graduation in two years. You plan on investing it at 8 percent until you have $100,000. How long will you wait from now? A. 28.91 years B. 25.81 years C. 21.81 years D. 23.81 years E. 28.39 years

B

Multiple Choice

Finance

University

5

1483632

Verizon Communications, Inc., provides the following footnote relating to its leasing activities in its 10-K report. The aggregate minimum rental commitments under noncancelable leases for the periods shown at December 31, 2012, are as follows (dollars in millions): Years Capital Leases Operating Leases 2013 $86 $2,038 2014 67 1,840 2015 57 1,572 2016 54 1,280 2017 44 992 Thereafter 99 4,119 Total minimum rental commitments 407 $11,841 Less interest and executory costs (109) Present value of minimum lease payments 298 Less current installments (64) Long-term obligation at December 31, 2012 $234 Using your financial calculator or Excel Spreadsheet, confirm that Verizon capitalized its capital leases using a rate of 9.44%

9.44%

Percentage

Finance

University

5

1246952

Assume that a company has the following situation existing at its year-end: Current portion of a serial bond payable being paid from a sinking fund. Use yes, no, or optional to indicate whether the situation should or should not be classified as a current liability, or if accrual is optional.

yes

Multiple Choice

Business

University

5

606816

Gilpatric Corporation produces and sells two products. In the most recent month, Product Q71M had sales of $28,000 and variable expenses of $7,840. Product V04P had sales of $49,000 and variable expenses of $27,580. The fixed expenses of the entire company were $34,630. The break-even point for the entire company is closest to _____.

64,130

Integer

Business

University

5

1335162

Let S be the part of the plane 2x+1y+z = 4 which lies in the first octant, oriented upward. Use Stokes' theorem to find the flux of the vector field F = 4i+3j+2k across the surface S.

0

Integer

Mathematics

University

5

172923

United Systems is one of the country's largest distributors of servers and video-conferencing technology. Recently, the company successfully expanded into three new markets. The company's CFO needs to perform a post-audit to examine the feasibility of expanding into more new markets. Which of the following would be part of the post-audit? a. Explaining why the company spent three times more on shipping products than what was forecast. b. Comparing the company's actual sales volume in the new markets to the company's expected sales volume in the new markets. c. Determining which markets the company should expand into next. d. When a firm is forced to employ capital rationing, it generally means that the firm has positive NPV projects than it can finance.

b

Multiple Choice

Business

University

5

230615

Suppose your portfolio mirrors the S&P 500 index and is valued currently at $2,000,000. The S&P 500 index is currently at 2,000. What action is needed to provide protection against the value of the portfolio falling below $1,900,000 in 6 months? a. Buy 1,000 6-month S&P 500 put options with strike price of 1800. b. Buy 500 6-month S&P 500 put options with strike price of 1800. c. Buy 1,000 6-month S&P 500 put options with strike price of 1900. d. Buy 500 6-month S&P 500 put options with strike price of 1900

c

Multiple Choice

Finance

University

5

1133667

Let $\mathbf X \equiv [\mathbf x_i]$ be a $m \times n$ array of $n$, $m$-dimensional vectors, and $\mathbf X^+$ be its right Moore-Penrose pseudoinverse ($\mathbf X \mathbf X^+ = I_m$). Prove that $\sum_{i=1}^n \| \mathbf X^+ \mathbf x_i \|^2 = m$.

m

Integer

Mathematics

University

5

333375

Use polar coordinates to find the limit: {eq}\displaystyle \lim_{(x,y)\to(0,0)} \frac{1 - \cos(x^2 + y^2)}{4x^2 + 4y^2} {/eq} and note that {eq}\displaystyle (x, y) \to (0, 0) \text{ implies } r \to 0. {/eq}

0

Float

Mathematics

University

5

377298

On December 31, 2016, Bart Inc. purchased a machine from Fell Corp. in exchange for a noninterest-bearing note requiring eight payments of $20,000. The first payment was made on December 31, 2016, and the remaining seven payments are due annually on each December 31, beginning in 2017. At the date of the transaction, the prevailing rate of interest for this type of note was 11%. Present value factors are as follows: Period Present value of ordinary annuity of 1 at 11% Present value of an annuity due of 1 at 11% 7 4.712 5.231 8 5.146 5.712 The initial value of the machine is: a. $114,240 b. $104,620 c. $94,240 d. $102,920

a

Multiple Choice

Business

University

5

718014

You've borrowed $4,248.68 and agreed to pay back the loan with monthly payments of $200. If the interest rate is 12% stated as an APR, what is the effective annual rate on the loan?

12.68%

Percentage

Mathematics

University

5

1333155

Is there a combinatorial proof that $\frac{1}{2^{n}}\cdot\sum\limits_{k=0}^nC_n^k \cdot \sqrt{1+2^{2n}v^{2k}(1-v)^{2(n-k)}}$ tends to 2 as $n$ tends to infinity for $v\in (0,\, 1),\ v\neq 1/2$? How would you solve this problem?

2

Integer

Mathematics

PhD

5

455187

By using a double integral find the area of the ellipse {eq}\displaystyle \frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1 {/eq} if {eq}a > 0, b > 0. {/eq}

\pi ab

Expression

Mathematics

University

5

342056

What is the number of observations that need to be taken to be 99.7% confident that the results will not be more than 6% from the true result, given an initial estimate that the tellers are idle 15% of the time?

319

Integer

Mathematics

University

5

1863615

The ____ approach to performance appraisal is most frequently used for production employees and is basically a form of goal setting for these employees. A. forced-distribution B. critical-incident C. management by objectives D. work standards

C

Multiple Choice

Business

University

5

169045

Is $a=0$ the critical bifurcation value for the differential equation $y'=ay-y^2$? I am confused because for $a =0$ we only have 1 equilibrium value but for any other $a$, we have two such values. Shouldn't the equilibrium values diminish beyond a certain point for that point to be called critical bifurcation value?

a=0

Integer

Mathematics

University

5

567981

Baldwin Corp. ended the year carrying $18,475,000 worth of inventory. Had they sold their entire inventory at their current prices, how many more dollars of contribution margin would it have brought to Baldwin Corp.? a. $39,003,380 b. $10,625,000 c. $29,107,000 d. $18,475,000

D

Multiple Choice

Business

University

5

193851

In the short run, the cost of _____ is variable, whereas the cost of _____ is fixed. A. electricity; wages B. labor; capital C. capital; raw materials D. capital; labor E. raw materials; labor

B

Multiple Choice

Economics

University

5

424252

Which is a required characteristic of a perfectly competitive industry? a. Barriers to entry are high. b. There are few firms so that none can influence market price. c. Products are highly differentiated. d. None of the above

d

Multiple Choice

Economics

University

5

1684336

In applying the CAPM to estimate the cost of equity capital, which of the following elements is not subject to dispute or controversy? a. The expected rate of return on the market b. The stock's beta coefficient c. The risk-free rate d. The market risk premium (RPM) e. All of the above are subject to dispute.

e

Multiple Choice

Business

University

5

448613

Find the derivative using first principles: ln(3x)

1/x

Expression

Mathematics

University

5

1231151

If g(1) = 3, g'(1) = -4 find f'(1) for f(x) = (g(√x) + ln x)^3

-27

Integer

Mathematics

University

5

1626775

The payment of a previously declared cash dividend has an overall effect of: A. Reducing retained earnings and reducing liabilities by the amount of the dividend. B. Reducing retained earnings and increasing contributed capital by the same amount. C. Reducing assets and reducing liabilities by the amount of the dividend. D. Reducing both assets and retained earnings by the amount of the dividend.

D

Multiple Choice

Business

University

5

1903457

The Monroe Corporation has 100,000 common shares issued and outstanding. This stock was issued several years ago, at a price above the $10 per share par value. During the current year, the board of directors declared a 30 percent stock dividend so that 30,000 new shares were issued to the stockholders when the price of the stock was $30 per share. As a result of this dividend, what reduction was recorded in the reported amount of retained earnings? A. zero B. 300K C. 600K D. 900K

D

Multiple Choice

Business

University

5

1721069

How was the lower bound of 262140 reached for tree(3) in the weak tree function, prior to the current lower bound of 844,424,930,131,960?

262140

Integer

Mathematics

PhD

5

1642852

HR Industries (HRI) has a beta of 2.4, while LR Industries's (LRI) beta is 0.5. The risk-free rate is 6%, and the required rate of return on an average stock is 13%. The expected rate of inflation built into rRF falls by 1.5 percentage points; the real risk-free rate remains constant; the required return on the market falls to 10.5%; and all betas remain constant. After all of these changes, what will be the difference in the required returns for HRI and LRI?

11.4%

Percentage

Finance

University

5

80588

Consider an open economy with flexible exchange rates. Given what you know about the effects of fiscal policy, how does a foreign fiscal expansion affect domestic output if the domestic central bank does not change the policy rate? A. A foreign fiscal expansion is likely to increase domestic output. B. A foreign fiscal expansion has no effect on domestic output. C. A foreign fiscal expansion is likely to decrease domestic output. D. A foreign fiscal expansion has an ambiguous effect on domestic output.

A

Multiple Choice

Economics

University

5

1480648

Find the limit: {eq}\lim_{(x,y) \rightarrow (0,0)} \frac{x(y^2) \cos(y)}{x^2 + y^4} {/eq}

0

Integer

Mathematics

University

5

762980

How do I calculate the radius of the power sum of: $$\sum_{n=1}^\infty 2^n x^{n^2}$$

1

Integer

Mathematics

University

5

382597

The most recent balance sheet and income statement of Penaloza Corporation appear below: Comparative Balance Sheet Ending Balance Beginning Balance Assets Cash and cash equivalents$47 $39 Accounts receivable 49 55 Inventory 36 39 Property, plant and equipment474 370 Less accumulated depreciation250 218 Total assets $356 $285 Liabilities and stockholders' equity: Accounts payable$36 $35 Accrued liabilities27 25 Income taxes payable36 44 Bonds payable88 80 Common stock45 40 Retained earnings124 61 Total liabilities and equity$356 $285 Income Statement Sales $773 Cost of goods sold468 Gross margin305 Selling and administrative expense189 Net opening income 116 Income taxes35 Net Income$81 The company paid a cash dividend of $18. It did not dispose of any property, plant and equipment. The company did not retire any bonds payable or repurchase any of its own common stock. The following question pertains to the company's statement of cash flows. The net cash provided by (used in) investing activities for the year was:

-$104

Integer

Business

University

5

1684999

A firm has total assets of $1,000,000 and a debt ratio of 30%. Currently, it has sales of $2,500,000, total fixed costs of $1,000,000, and EBIT of $50,000. If the firm's before-tax cost of debt is 10% and the firm's tax rate is 40%, what is the firm's ROE?

1.71%

Percentage

Business

University

5

109871

Excerpts from Dowling Company's December 31, 2016, and 2015, financial statements and key ratios are presented below (all dollar values are in millions): 20162015 Accounts receivable (net)$30$26 Net sales$150$128 Cost of goods sold$104$89 Net income$30$27 Inventory turnover6.50 Return on assets11.2% Equity multiple2.45 Dowling's average total assets for 2016 are: A. 52 B. 270 C. 150 D. 268

D

Multiple Choice

Business

University

5

1350572

Find the volume of the region between the planes x + y + z = 4 and 4x + 4y + z = 16 in the first octant.

32

Integer

Mathematics

University

5

2050786

If an electron is to escape from a one-dimensional, finite well by absorbing a photon, which is true? A The photon's energy must equal the difference between the electron?s initial energy level and any energy value in the nonquantized region. B The photon's energy must equal the difference between the zero energy level and the bottom of the nonquantized region. C The photon's energy must equal the difference between the electron's initial energy level and the bottom of the nonquantized region.

C

Multiple Choice

Physics

University

5

674088

Why is the probability at draw $i$ of a candidate's being the largest in the entire sample equal to the probability that the maximum is among the first $i$ draws, namely $i/n$, in the secretary problem with $n=100$? Specifically, if the maximum appears among the first $i$ draws, wouldn't that preclude $i$ from being a candidate?

i/n

Expression

Mathematics

University

5

786498

I would like to find an approximation for the lowest value at which the function $$f_a(x)=\frac{(2x)!}{(x!)^a}$$ forms a bell curve shape rather than diverging.

a = 2

Integer

Mathematics

University

5

708044

Which of the following statements is true? A) A forced rider is someone who helps pay for a public good but doesn't get any benefit from it. B) Public schooling is a private good. C) Public goods should be produced up to the point where consumer surplus equals producer surplus. D) The government cannot produce private goods.

A

Multiple Choice

Economics

University

5

332654

Two equal positive point charges, each of charge {eq}q{/eq}, are separated by distance {eq}L{/eq}. There are no other charges anywhere. The potential at the midpoint of the line joining the charges is defined to be zero. The electrostatic potential at an infinite distance from the two charges is therefore:

0

Integer

Physics

University

5

1675480

What is the integral of a natural log?

xln(x)-x + C

Expression

Mathematics

University

5

2088667

Use double integration to find the area of the plane region enclosed by the curves y = 39 \sin x and y = 39 \cos x, for 0 \leq x \leq \frac{\pi}{4}.

39(\sqrt{2}-1)

Expression

Mathematics

University

5

1819457

Nick's camera ship carries Zodiac instant print film. The film normally costs Nick $3.20 per roll, and he sells it for $5.25 Zodiac has a shelf life of 18 months. Nick's average sales are 21 rolls per week. His annual inventory holding cost rate is 25% and it costs Nick $20 to place an order with Zodiac. If Zodiac offers a 7% discount on orders of 400 rolls or more, a 10% discount for 900 rolls or more, and a 15% discount for 2000 rolls or more, determine Nick's optimal order quantity. D=21(52)=1092 ; Ch=.25; Co=20

400

Integer

Business

University

5

18620

Find all the local maxima, local minima, and saddle points of the function f(x,y) = x^2 + xy + y^2 + 2x - 5y + 2.

(-3,4)

Expression

Mathematics

University

5

937731

The income statement of Dolan Corporation for 2017 included the following items: Interest revenue$141,000 Salaries and wages expense$210,000 Insurance expense$21,200 The following balances have been excerpted from Dolan Corporation's balance sheets: December 31, 2017 December 31, 2016 Interest receivable $18,200$15,000 Salaries and wages payable $17,800$8,400 Prepaid insurance $2,200$3,000 The cash paid for insurance premiums during 2017 was _____.

22000

Integer

Business

University

5

102373

You have $10,000 and you want to know if Utes,LLC is a good buy. The firm's total risk is 15%, its systematic risk is 0.8, the t-bill rate is 1.2%, the 30 year treasury rate is 3.5%, and the average market return is 9.5%. According to the CAPM, what is the expected return on Utes, LLC?

7.84%

Percentage

Finance

University

5