Answer Happy

Question 10 100 members of a golf club in Shah Alam were asked whether they smoked or not. A quarter of them interviewed were females and the rest were males. Half of the males smoked and 20% of the females smoked too. a) Construct a tree diagram for the above study b) Find the probability that if one of the members were chosen at random, the person was a male given that the person selected was a smoker