A digital camcorder repair service has set a goal not to exceed an average of 5 working days from the time the unit is brought in to the time repairs are completed. A random sample of 12 repair records showed the following repair times (in days): 5, 6, 7, 7, 7, 5, 4, 6, 6, 5, 6, 7. x g=5.9167, ( = 0.9962. 22. Which are the hypotheses? a. H0: 5, H1: > 5 b. H0: 5, H1: < 5 c. H0: = 5, H1: 5 d. H0: < 5, H1: 5