table summarizes data on smoking status and perceived risk of smoking and is consistent with summary quantities obtained in a Gallup Poll conducted ember 2002. Assume that it is reasonable to consider these data as representative of the U.S. adult population. Perceived Risk Smoking Status Very Harmful Somewhat Harmful Not Too Harmful Not at All Harmful Current Smoker Former Smoker Never Smoked 57 27 5 1 70 15 3 2 93 7 2 1 (a) What is the probability that a randomly selected U.S. adult is a former smoker? (Give the answer to four decimals places.) (b) What is the probability that a randomly selected U.S. adult views smoking as very harmful? (Give the answer to four decimals places.) (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 smoke (Give the answer to four decimals places.)
table summarizes data on smoking status and perceived risk of smoking and is consistent with summary quantities obtained in a Gallup Poll conducted ember 2002. Assume that it is reasonable to consider these data as representative of the U.S. adult population. Perceived Risk Smoking Status Very Harmful Somewhat Harmful Not Too Harmful Not at All Harmful Current Smoker Former Smoker Never Smoked 57 27 5 1 70 15 3 2 93 7 2 1 (a) What is the probability that a randomly selected U.S. adult is a former smoker? (Give the answer to four decimals places.) (b) What is the probability that a randomly selected U.S. adult views smoking as very harmful? (Give the answer to four decimals places.) (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 smoke (Give the answer to four decimals places.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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