13) The table below describes the smoking habits of a group of asthma sufferers.
Light Heavy
...
Mathematics, 15.02.2021 06:00 xonyemaa12
13) The table below describes the smoking habits of a group of asthma sufferers.
Light Heavy
Nonsmoker smoker smoker Total
Men 352 39 37 428
Women 321 42 45 408
Total 673 81 82 836
If two different people are randomly selected from the 836 subjects, find the probability that they are both heavy
smokers. Round to six decimal places.
Answers: 3
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