It was found that 821 crashes of midsize cars equipped with air bags, 46 of the crashes resulted in hospitalization of the drivers. Using a 0.01 level of significance test the claim that the air bag hospitalization is lower than 7.8% for midsize cars with air bags. a. State the null and alternative hypothesis. b. Decide on the tailed-test and find the critical value(s). c. Find the computed test statistic (CTS) and/or p-value. d. State the decision and conclusion