You are asked to evaluate the following two projects for the Norton corporation. Use a discount rate of 12 percent. Use Appendix B for an approximate answer but calculate your final answer using the formula and financial calculator methods. Project X (Videotapes of the Weather Report) ($48,000 Investment) Project Y (Slow-Motion Replays of Commercials) ($68,000 Investment) Year Cash Flow Year Cash Flow 1 $ 24,000 1 $ 34,000 2 22,000 2 27,000 3 23,000 3 28,000 4 22,600 4 30,000. Calculate the profitability index for project X and Y.

The average u.s. household has $178,600 in life insurance. the standard deviation is $25,500. a local insurance agent would like to see how households in his city compare to the national average, and selects a simple random sample of 30 households from the city. for the households in the city, the average amount of life insurance is $188,800. a. based on the sample results, construct a 95% confidence interval for the true average amount of life insurance for households in the city. b. test the h0 : $178,600 ? ? to determine if the city's sample average is significantly different from the u.s. average amount of life insurance per household. use the conventional levels of significance.