Suppose that a worker in caninia can produce either 2 blankets or 8 meals per day, and a worker in felinia can produce either 5 blankets or 1 meal per day. each nation has 10 workers. for many years, the two countries traded, each completely specializing according to their respective comparative advantages. now war has broken out between them and all trade has stopped. without trade, caninia produces and consumes 10 blankets and 40 meals per day and felinia produces and consumes 25 blankets and 5 meals per day. the war has caused the combined daily output of the two countries to decline by

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