4 points QUESTION 10 A sample of size 80 is to be used to test the hypotheses H10: mu 29 vs. Ha: mu>29where mu is the true average age of a man when he gets married. What is the appropriate rejection region associated with the following significance level 0.005. DA Reject Ho ifz > 1.28 B. Reject HO if z > 2.33 OC Reject Ho if z> 1.645 O'D. Reject HO if z > 2.575 QUESTION 11 4 points Five An Historically, the average time it takes Jessica to swim the 200 meier butterfly is 1484 seconds. Jessica would like to know if her average lima has changed She records her time on 50 randomly selected occasions and computes the mean to be 147.8 seconds with a standard deviation of 2:3 seconds. Perform the appropriate test of hypothesis to determine whether Jessica's average time has changed What is the null and alternate hypothesis for this test?. A. HO sbars 147 8 va. Ha abar not equal147 8 GD. HO: mus147 8 va. Ha mu not equaltar s C HO. mu- 148 4 vs. Ha may not equal1484 D.HQ: x 1484 is Ha abar not equal148 4 QUESTION 12 4 points HiMoreally, the average time it takes Jessica to swim the 200 meter butterfly is 148.4 seconds. Jessica would like to know if her average time has changed. She records her time on 50 randomly selected occasions and computes the mean to be 147,# Seconds with a standard deviation of 23 seconds The hypotheses to be loved are 104 He mundi equal 1484 What is the best stasthe 17 Panama round to two decimal