The average aeg of engineering students at graduation is a little ove 24years. This means that the working career of most engineers is about 480 months. How much would an engineer need to deposit each month in a retirement account to accumulate $1.5 million bythe end of his/her working career? Assume a 9% interest rate, compounded monthly

Which is cheaper: eating out or dining in? the mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (money.msn website, november 7, 2012). a sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home. b. using the sample from the 100 restaurants, what is the p-value? c. at a = .05, what is your conclusion? d. repeat the preceding hypothesis test using the critical value approach