Smoking in the United States. Does the survey of Exercise IV.10 provide good evidence that fewer than

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Smoking in the United States. Does the survey of Exercise IV.10 provide good evidence that fewer than 1/4 of all American adults smoked in the week prior to the survey?

(a) State the hypotheses to be tested.

(b) If your null hypothesis is true, what is the sampling distribution of the sample proportion ^p? Sketch this distribution.

(c) Mark the actual value of ^p on the curve. Does it appear surprising enough to give good evidence against the null hypothesis?

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Statistics Concepts And Controversies

ISBN: 9781429277761

7th Edition

Authors: David S Moore, William I Notz

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Question Posted: Jul 23, 2024 06:03 AM

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Smoking in the United States. Does the survey of Exercise IV.10 provide good evidence that fewer than

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