Olivia and Ian were due to be wed last March when a tornado blew down the church where the wedding was to be held. Even though the wedding was postponed and they risked losing over one thousand dollars in deposits, they were not worried because they had purchased wedding insurance. The salesperson had guaranteed they would have a perfect wedding no matter what happened. When Ian called the insurance agent, he learned that the policy did not provide coverage if the wedding was postponed due to an act of nature such as a tornado. In this case, provider of the gaps model of service quality was apparent as their "perfect wedding" did not happen as promised.

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