Psychology: Closure How large a sample is needed in Problem 5 if we wish to be 99% confident that the sample mean score is within 2 points of the population mean score for students who are high on the need for closure?

For Problems 4–19, categorize each problem according to the parameter being estimated: proportion p, mean m, difference of means m1 2m2, or difference of proportions p1 2p2. Then solve the problem.AppendixLO1