Explain the reason for your answer

Show all work and answer all questions on a separate sheet of paper. Make sure you label your problem numbers and letters. StatCrunch can be used to check answers - but not to find them unless it is stated that StatCrunch is allowed. 8. For each situation decide if you should use the Z, t or x2 table to find the critical value. a) You want to do hypothesis testing on the claim: H > 56 b) You want to do a confidence interval on the proportion of adults who don't drive. c) You want to do hypothesis testing on the claim: o # 12.4 d) You want to do a confidence interval on the average age of a college student. e) You want to do a confidence interval on the variance of number of emails