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Cigarette taxes New York public health officials report that currently 22% of adults smoke They hope ...

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Cigarette taxes New York public health officials report that currently 22% of adults smoke They hope ...

Cigarette taxes New York public health officials report that currently 22% of adults smoke

They hope that newly increased state cigarette taxes will reduce this rate. They plan to check in December by selecting a random sample of 1200 New Yorkers to estimate again the percentage of adults who smoke.

a. Verify that a Normal model is a useful approximation for the binomial in this situation.
b. In that December sample, how many smokers would it take to convince you that the percentage of NY adults who smoke had decreased significantly? Explain.

Textbook

Stats: Modeling the World

Edition: 4^th

Authors: Bock, Velleman, De Veaux

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