One-Tail test 2

A bank measures the wait time for a random sample of 15 customers during the lunch hour (measured in minutes). A hypothesis test is conducted to see if there is evidence that the average wait time is 5 minutes. What is the alternate hypothesis for the test?

Waiting Time :

4.21, 5.55, 3.02, 5.13, 4.77, 2.34 , 3.54 , 3.20, 4.50, 6.10, 0.38, 5.12, 6.46 , 6.19 , 3.79

A. Mu > 5 min.

B. Mu < 5 min.

C. Mu > 5 min.

D. Mu =/ 5 min.

E. None of these