Question: The following table summarizes data on smoking status and age group, and is consistent with summary quantities obtained in a poll published in a particulararticle.Assume that it is reasonable to consider these data as representative of the American adult population. Consider the chance experiment of randomly selecting anadult American. (Round your answers to

The following table summarizes data on smoking status and age group, and is consistent with summary quantities obtained in a poll published in a particular

article.

Assume that it is reasonable to consider these data as representative of the American adult population. Consider the chance experiment of randomly selecting an

adult American. $($Round your answers to three decimal places.$)$

$($a$)$ What is the probability that the selected adult is a smoker?

$($b$)$ What is the probability that the selected adult is under $50$ years of age?

$($c$)$ What is the probability that the selected adult is a smoker who is $65$ or older?

$($d$)$ What is the probability that the selected adult is a smoker or is age $65$ or older?