Mathematics, 17.07.2020 05:01 heatherballiet866
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?
(c) Why are the results from parts (a) and (b) so close?
Answers: 1
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A television sports commentator wants to estimate the proportion of Americans who follow professiona...
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