A Harris poll of a random sample of 2250 adults in the United States in 2013 reported

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A Harris poll of a random sample of 2250 adults in the United States in 2013 reported that 74% believe in God, 68% believe in heaven, 58% believe in hell, and 42% believe in ghosts.4 (Interestingly, except for the belief in ghosts, these numbers are all substantially smaller than the corresponding values in a similar poll taken by Harris in 2009.) The screen shot shows how the TI calculator reports results of interval estimation at the 95% confidence level for the proportion who believe in ghosts. Explain how to interpret the confidence interval shown.

NORMAL FIX3 AUTO REAL RADIAN CL 1-PropZint (. 400..440) B=.420 n=2250.000


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Statistics The Art And Science Of Learning From Data

ISBN: 9780321997838

4th Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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