When you apply for a position but are rejected, employment experts recommend that you a. send a rejection letter saying you believe the employer has made a hiring decision error in not choosing you. b. phone the employer's personnel office to determine the reason why you were not selected. c. send a rejection follow-up message indicating you are disappointed but will contact the company again in a month in case a job opens up. d. do not apply at that company again for at least 12 months

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