Question: 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

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:

Assume that it is reasonable to consider these data as representative of the American adult population. Consider the chance experiment of selecting an American adult at random.
a. What is the probability that the selected adult is a former smoker?
b. What is the probability that the selected adult perceives the risk of smoking to be very harmful?
c. What is the probability that the selected adult perceives the risk of smoking to be very harmful or somewhat harmful?
d. What is the probability that the selected adult is a current smoker who perceives the risk of smoking as very harmful?
e. What is the probability that the selected adult never smoked or perceives the risk of smoking to be very harmful?

Percelved Risk Very Somewhat Not Too Not at All Smoking Status Harmful Harmful Harmful Harmful current Smoker60 Former Smoker78 Never Smoked 30 16 10 86

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