Question

According to Health magazine (July/August 1992), the probability of pregnancy in the first year is 0.12 for typical users of condoms (which include couples who occasionally forget to use the method or dont use it correctly). However, the probability of pregnancy is only 0.02 for perfect il ers those who use the condom correctly each time) (a) List all the prod 1 litirs given in this prol İnti, e prewed in terms of events that you d fine. (b) Suppose 2Ο% of comple using condoms are perfect users, and the remaining 80% are typical users. If a couple using a condom for birth control is selected at random, what is the probability the woman will become pregnant in the first year of use? (c) If the woman becomes pregnant in the first year of use, what is the probability she was a perfect user?

Answer 1