In a recent survey conducted by a professor of UM, 200 students were asked whether or not they have a satisfying experience with the e-learning approach adopted by the school in the current semester. Among the 200 students interviewed, 121 said they have a satisfying experience. What is the 99% confidence interval for the proportion of all UM students who have a satisfying experience with the e-learning approach? Select one: a. 0.548 to 0.662 b. 0.524 to 0.686 c.0.516 to 0.694 d. 0.537 to 0.673 Of 400 students, 150 are male students and 250 are female students, 60 of the male students and 90 of the female students fail the statistics course. A student is selected at random from these 400 students. What is the probability that the selected student would be a male or fail the statistics course? Select one: a. 0.525 b. 0.75 c. 0.6 d. 0.15