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A health study tracked a group of persons for five years. At the beginning of the...

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A health study tracked a group of persons for five years. At thebeginning of the study, 25% were classified as heavy smokers, 35%as light smokers, and 40% as nonsmokers. Results of the studyshowed that light smokers were twice as likely as nonsmokers to dieduring the five-year study, but only half as likely as heavysmokers. A randomly selected participant from the study died overthe five-year period. Compute the probability that the participantwas a nonsmoker.

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