Problem 2-11 (algorithmic) let a be an event that a person's primary method of transportation to and from work is an automobile and b be an event that a person's primary method of transportation to and from work is a bus. suppose that in a large city p(a) = 0.48 and p(b) = 0.32. are events a and b mutually exclusive? yes what is the probability that a person uses an automobile or a bus in going to and from work? if required, round your answer to two decimal places. find the probability that a person’s primary method of transportation is some means other than a bus. if required, round your answer to two decimal places. p(bc) =

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?