Chapter 8, Problem 40P

Use the following information o answer (he ne.t jut exercises. A hospital Is trying to cut down on ernergency room waft times. It Is interested In the amount of time patients must wait before being called back to be examined. An Investigation committee iandom1v sureved 70 patients. The sample mean was 1.5 bows with a sample standard deviation of 0.5 hours.

Which distribution should you use for this problem?