In a survey of 200 housewives, it was discovered that 8 had read magazine A, 100 had read magazine B and 96 had read magazine C. It was further discovered that 24 had read A and B, 36 had read B and C while 26 had read A and C. Find

(a) The number of housewives that had read all three magazines.

(b) The number of housewives that had read at least two magazines. The number of housewives that had read only one magazine.

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)