The following table summarizes data on smoking status and
Chapter 0, Problem 6.36(choose chapter or problem)
The following table summarizes data on smoking status and perceived risk of smoking and is consistent with summary quantities obtained in a Gallup Poll conducted in November 2002: 6.4 Conditional Probability 311 Bold exercises answered in back Data set available online but not required Video solution available Assume that it is reasonable to consider these data as representative of the U.S. adult population. a. What is the probability that a randomly selected U.S. adult is a former smoker? b. What is the probability that a randomly selected U.S. adult views smoking as very harmful? c. What is the probability that a randomly selected U.S. adult views smoking as very harmful given that the selected individual is a current smoker? d. What is the probability that a randomly selected U.S. adult views smoking as very harmful given that the selected individual is a former smoker? e. What is the probability that a randomly selected U.S. adult views smoking as very harmful given that the selected individual never smoked? f. How do the probabilities computed in Parts (c), (d), and (e) compare? Does this surprise you? Explain.
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