The table below describes the smoking habits of a group of asthma sufferers. If one of the 1,156 people is randomly selected, find the probability that the person is a man or a heavy smoker.
Nonsmoker Occasional smoker Regular
smoker Heavy smoker Total
Men 431 50 71 49 601
Women 382 48 86 39 555
Total 813 98 157 88 1156