30. Economy worries. In 2008, a Gallup Poll asked 2335 U.S. adults, aged 18 or over, how...

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30. Economy worries. In 2008, a Gallup Poll asked 2335 U.S.

adults, aged 18 or over, how they rated economic conditions.

In a poll conducted from January 27–February 1, 2008, only 24% rated the economy as Excellent/Good.

Construct a 95% confidence interval for the true proportion of Americans who rated the U.S. economy as Excellent/Good.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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