Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.

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E=z(.025)*sqrt(pq/n)

z(.025)= 1.96 p=1631/2015=.8094 q=.1906 n=2015

Substitute the above values to the formula to get E=.0171

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