Gail's Gears is a new company selling accessories for bicycles. Its new advertising campaign features instructions on how to assemble various accessories, including flashing lights for traffic safety, gear boxes to mount on the handlebars, and other products to attach to the seat over the back tire. This advertising campaign is an example of advertising.

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