The following table summarizing data on smoking status and age group is consistent with summary quantities obtained

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The following table summarizing data on smoking status and age group is consistent with summary quantities obtained in a Gallup Poll published in the online article ?In U.S., Young Adults? Cigarette Use is Down Sharply? (gallup.com, December 10, 2015, retrieved April 25, 2017).

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Assume that it is reasonable to consider these data as representative of the American adult population.

Consider the chance experiment or randomly selecting an adult American.

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 that is 65 or older?

d. What is the probability that the selected adult is a smoker or is age 65 or older?

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Related Book For  answer-question

Introduction To Statistics And Data Analysis

ISBN: 9781337793612

6th Edition

Authors: Roxy Peck, Chris Olsen, Tom Short

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