- At the beginning of a certain study of a group of people, 15% were classified...

 

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- At the beginning of a certain study of a group of people, 15% were classified as heavy smokers, 30% as light smokers and 55% as non-smokers. 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 non-smokers, respectively. A randomly selected participant died over the five-year period. What is the probability that the participant was a non-smoker? - At the beginning of a certain study of a group of people, 15% were classified as heavy smokers, 30% as light smokers and 55% as non-smokers. 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 non-smokers, respectively. A randomly selected participant died over the five-year period. What is the probability that the participant was a non-smoker?

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