E Homework: M8-Ch12 Hw Question 8, 12.CE.16 HW Score: 61.8%, Part 3 of 3 Points: 0.15 of Identify the null and alternative hypotheses to test each of the following situations. Complete parts a through c. a) An article from a business journal looked at 1117 CEOs from global companies and found that 37% had MBAs. Has the percentage changed? Let p be the proportion of CEOs with an MBA. Ho: p = 0.37 vs. HA: P # 0.37 (Type integers or decimals. Do not round.) b) Recently, 24% of cars of a certain model have needed costly transmission work after being driven between 50,000 and 100,000 miles. The car manufacturer hopes that the redesign of a transmission component has solved this problem. Let p be the proportion of cars needing transmission repair. Ho: p = 0.24 vs. HA: P