If a student is chosen at random, find the probability of getting someone who is a man or non-drinker. Round answer to three decimal places. Man: non drinker 135,regular drinker 47, heavy drinker 5, total 187. Woman: non drinker 187 reg drinker 21, heavy drinker 7, total 215. total: non drinkers 322, reg drinker 68, heavy 12, total 402.