TABLE describes the smoking habits of a group of asthma suferers
occasional Regular Heavy
non smoker Smoker Smoker Smoker total
MEN 433 42 71 37 583
WOMEN 326 47 78 39 490
total 759 89 149 76 1073
Q1 iF 1 of the people is randomly selescted,find the Prblty that the person is a man OR heavy smoker
I come out with 620/1073 Is this right?
Q2 If one person is selected at random, find the probability that the person is a woman OR regular smoker
I come out w/ 568/173 Is this right ?
Q3 If one person is selected at random, find the Prob that the perso n is a man an a non smoker
Q4 What is the prob that a person is a non smoker, given that the person is a woman
I come out w/ 490/759 Is this right ?
Q5 What is the Prob that a person IS a woman, Given that the person is a heavy smoker
I come out w/ 76/490 Is this right ?