A television sports commentator wants to estimate the proportion of Americans who follow professional football.What sample size

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A television sports commentator wants to estimate the proportion of Americans who “follow professional football.”What sample size should be obtained if he wants to be within 3 percentage points with 95% conﬁdence if

(a) He uses a 2010 estimate of 53% obtained from a Harris poll.

(b) He does not use any prior estimates?

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Fundamentals Of Statistics

ISBN: 9780321844606

4th Edition

Authors: Michael Sullivan III

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Question Posted: Apr 28, 2015 12:22 AM

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A television sports commentator wants to estimate the proportion of Americans who follow professional football.What sample size

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For 95 confidence z a2 z 0025 196 a Using p 053 10633 which we must increase to 1064 The commen...View the full answer

Fundamentals Of Statistics

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