The table below describes the smoking habits of a group of asthma suffers. ...

19. The table below describes the smoking habits of a group of asthma suffers.

Nonsmoker

Occasional smoker

Regular smoker

Heavy smoker

Men

374

36

86

36

Women

380

37

60

32

19A. Given that an asthma sufferer is an occasional smoker, what is the probability that the person is a woman?

19B. Given that an asthma sufferer is a man, what is the probability that the person is a regular smoker?

19C. Given that an asthma sufferer is a regular smoker, what is the probability that the person is a nonsmoker?