Which of the following statements is true? Group of answer choices The further in the future you receive a dollar, the less it is worth today. The value of a dollar invested at a positive interest rate decreases over time. A dollar in hand today is worth less than a dollar to be received in the future. The higher the rate of interest, the more likely an investor will elect to consume at present and forgo invest his funds.

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