Honesty in the media. A Gallup Poll conducted from November 30 to December 2, 2007, asked a

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Honesty in the media. A Gallup Poll conducted from November 30 to December 2, 2007, asked a random sample of 1006 adults to rate the honesty and ethical standards of people in a variety of professions. Among the respondents, 231 rated the honesty and ethical standards of TV reporters as very high or high. We can act as if the sample were an SRS. Give a 90% confidence interval for the proportion of all adults who rate the honesty and ethical standards of TV reporters as very high or high. In what way is a 90% confidence interval less appealing than a 95% confidence interval? In what way is a 90% interval more appealing?

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Statistics Concepts And Controversies

ISBN: 9781429277761

7th Edition

Authors: David S Moore, William I Notz

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