Suppose that 23% of adults smoke cigarettes. It is known that57% of smokers and 13% of non-smokers develop a certain lungcondition by age 60.
(a) What is the probability that a randomly selected 60 year-oldhas this lung condition? (4 points)
(b) What is the probability that someone with the lung conditionwas a smoker? (4 points) (c) Are lung condition and smokingindependent? Justify your answer. (2 points)
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