QUESTION 6 This is one of the 7 problems from which you are to work 5. A university found that 22% of its students withdraw without completing the introductory statistics course. Assume that 43 students registered for the course. a) Compute the probability that two or fewer will withdraw. b) Compute the probability that exactly four will withdraw. c) Compute the probability that more than three will withdraw d) Compute the expected number of withdrawals