Hypothesis Testing 7.) For the following exercises, based upon the given claim express the null and alternative hypotheses. State whether the hypothesis test would involve a left-tailed test, a right-tailed test or a two-tailed test. Be sure to use the correct symbol (u, o, or p) for the indicated parameter. a.) 47.1% of students reported not getting enough sleep in December, impacting their studies. b.) The mean score on the final exam was less than 79.3 points. c.) The standard deviation of earthquake epicenters in Asia is 1.3 kilometers. d.) Most students think that their statistics professors are pompous and horribly cruel. e.) The mean of gypsy moth larvae weights is greater than 683.5 milligrams. For the following hypothesis tests, don't forget to formally state the null and alternative hypotheses and draw the proper conclusion. (Look at Figure 8-5 on page 366 or the flowchart posted on Blackboard for help on writing the proper conclusion.)