The proportion of adult women in the United States is approximately 51%. A marketing survey telephones 400

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The proportion of adult women in the United States is approximately 51%. A marketing survey telephones 400 people at random.
a) What proportion of the sample of 400 would you expect to be women?
b) What would the standard deviation of the sampling distribution be?
c) How many women, on average, would you expect to find in a sample of that size?
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Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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