The proportion of adult women in the united states is


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

a) What is the sampling distribution of the observed proportion that are women?

b) What is the standard deviation of that proportion?

c) Would you be surprised to find 53% women in a sample of size 400? Explain.

d) Would you be surprised to find 41% women in a sample of size 400? Explain.

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Accounting Basics: The proportion of adult women in the united states is
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