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Mathematics, 13.03.2022 01:00 charrij26
At the beginning of a certain study of a group of persons, 15% were classified as heavy smokers, 30% as light smokers, and 55% as nonsmokers. In the five-year study, it was determined that the death rates of the heavy and light smokers were five and three times that of the nonsmokers, respectively. A randomly selected participant died over the five-year period: calculate the probability that the participant was a nonsmoker.
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At the beginning of a certain study of a group of persons, 15% were classified as heavy smokers, 30%...
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