For students who first enrolled in two year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.395. the president of a certain college believes that the proportion of students who enroll in her institution have a lower completion rate. 1. (a) determine the null and alternative hypotheses. (b) explain what it would mean to make a type i error. (c) explain what it would mean to make a type ii error. 2. which of the following is a type ierror? a. the president fails to reject the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.3950.395, when, in fact, the proportion is lessless than 0.3950.395. b. the president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is0.3950.395,when, in fact, the proportion is 0.3950.395. c. the president fails to reject the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.3950.395, when, in fact, the proportion is 0.3950.395. d. the president rejects the hypothesis that the proportion of students who earn a bachelor's degree within six years is 0.3950.395,when, in fact, the proportion is lessless than 0.395