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A researcher claims that the average age of a woman when she has her first child is still equal to the 1993 mean of 27.1 years. She obtains a random sample of 30 women who had their first child this year and finds the sample mean age to be 28.2 years. Suppose the population standard deviation is 6.4 years. Test the researcher's claim using α = 0.10. a. State and label the null and alternate hypotheses. b. State the critical value(s) for this test and draw a picture of the critical region(s). c. Find the value of the test statistic. d. Find the P-value for this test. e. Find an appropriate confidence interval to use to test this hypothesis. State the confidence level used. f. State your conclusion of this hypothesis test, citing reasons from all three methods. Be sure to explain your conclusion in the context of the problem.
1. Explain the following a. Components of the Federal Reserve System. b. Why did US establish a decentralized Federal Reserve?
Explain the design of a public policy that would subsidize the private performance of the R&D (to ensure that the research is done by the private sector) yet would minimize the public funds used.
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We suggested above that an annually increasing renewal fee would be an efficient means of setting optimal patent life. Similarly, suppose that owners who wanted to restrict future use of their property had to pay a fee for each year that the restrict..
What is the sum of the mean deviations in the distribution (1,3,5,7, 9)?
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If w1=.33 and w2 = 0.67 (instead of both of them equaling 0.5) could the same output gap and inflation gap be associated with a different predicted.
Compute the rate of return for a project that has an initial cost of $42,000 and would provide positive cash flows of $7,000 the first year, $8,000 the second year, $9,000 the third year, $10,000 the fourth year, $11,000 the fifth year, and $12,000 t..
The project you are managing is now behind schedule. Describe the analysis you would undertake when faced with this challenge. What are some of the actions you would consider to take to try to bring the project back on track?
As a member of the Board of Directors of General Motors Corporation, you are continually concerned about the level of productivity of the company’s work force. What can management do to create enhanced productivity levels in order to maintain a profi..
Gail Works in a flower shop,where she produces 10 floral arrangements per hour.She is paid $15 an hour for the first eight hours she Works and $20 an hour for each additional hour she Works. What is the firm's cost function? What are its AC, AVC a..
Skillet Industries has a debt–equity ratio of 1.5. Its WACC is 9 percent, and its cost of debt is 5.5 percent. The corporate tax rate is 35 percent. What is the company’s cost of equity capital? What is the company’s unlevered cost of equity capital?
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