Conditional Probabilitymedium
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In a population, 20% are smokers, and 80% are non-smokers. A test detects cancer in 90% of smokers and 5% of non-smokers. If a person tests positive, what is the probability they are a smoker?
In a population, 20% are smokers, and 80% are non-smokers. A test detects cancer in 90% of smokers and 5% of non-smokers. If a person tests positive, what is the probability they are a smoker?