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The salaries of the employees of a corporation are normally distributed with a mean of $25000 and a standard deviation of $5000. What is the probability that a randomly selected employee will have a starting salary of at least $31ooo?
what is the marginal utility of X? If a consumer moves downward along an indifference curve, what happens to the marginal utilities of X and Y? What happens to the MRS?
chemical potential energy from rotating turbines into thermal energy. B) electrostatic energy from rotating turbines into chemical energy
Two firms with differentiated products compete in prices with demands: q1: 1-P1+0.5P2 q2: 1-P2+0.5P1 Suppose that both firms can produce at the same constant marginal cost c. a. Draw the best response functions. b.Find the prices corresponding to th..
Show analytically that equilibrium price under Cournot is greater than price under perfect competition but lower than monopoly price.
Explain why the short-term project might be higher ranked under the NPV criterion if the cost of capital is high whereas the long-term project might be deemed better if the cost of capital is low. Would changes in the cost of capital ever cause a ..
if they expect to satisfy about 80 orders in the next financial quarter, what is the probability that they will break their previous export record?
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
Montgomery & Co., a well established law firm, provided 500 hours of its time to Fink Corporation in exchange for 1,000 shares of Fink's $5 par common stock. Mitchell's usual billing rate is $700 per hour, and Fink's stock has a book value of $250..
Provide an estimate of the cross-price elasticity of demand for gasoline, both with respect to new cars and with respect to used cars. Are these estimates statistically significant? Do they align with economic theory? Give an interpretation of y..
Give your opinion on whether or not the development of the International Space Station stimulated economic growth. Justify your response.
If code is 4 random letters, and letters can be utilized multiple times, how many different possible codes are there?
At.05 level of significance, is there evidence to propose that mean life length of the batteries manufactured by this manufacturer is more than 400 hours?
Find the probability that the number who say oatmeal is their favorite cookie is (a) exactly four, (b) at least four, and (c) less than four.
Conduct a two-sample test of means. A study by a bank compared the average savings of customers who were depositors for three years or less with those who had been depositors for more than three years.
A random sample of n = 4 scores is selected from a population with µ = 80 and σ = 20. On average, how much difference would you expect between the sample mean and the population mean?
Sample mean varies from population mean of 10 pounds at 5 percent level of significance using two-tailed test. Compute test statistic for the sample data.
The critical F value with 6 numerator and 60 denominator degrees of freedom at α = .05 is:
Find the difference between the actual Y value and predicted Y value for each individual, square the differences, and add the squared values to obtain SS residual.
You take a random sample and perform a hypothesis test, getting a p-value of 0.2578. What is the appropriate conclusion? Conclude at the 5% level of significance.
What are the requirements that must be met for a regression analysis? What happens if these requirements are violated? Why is the analysis of residuals important?
In a large section of statistics class, the points for the final exams are normally distributed with a mean of 72 and a standard deviation of 9. Grades are to be assigned according to the following rule.
Given that x and y are both positive, solve the simultaneous equations.
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