The table below describes the smoking habits of a group ofasthma sufferers. Nons

Question

The table below describes the smoking habits of a group ofasthma sufferers.                                       Nonsmoker         Lightsmoker      Heavysmoker          Total Men             303                      33                        37                       373 Women        413                      49                        46                       508 Total             716                       82                        83                        881 If two different people are randomly selected from the 881subjects, find the probability that they are both heavysmokers. The table below describes the smoking habits of a group ofasthma sufferers.                                       Nonsmoker         Lightsmoker      Heavysmoker          Total Men             303                      33                        37                       373 Women        413                      49                        46                       508 Total             716                       82                        83                        881 If two different people are randomly selected from the 881subjects, find the probability that they are both heavysmokers.

Explanation / Answer

P(Both Heavysmokers) = (83/881)(82/880) ˜ 0.0088

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