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Standard deviation of the sampling distribution

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Assume that the population proportion of adults having a college degree is 0.45. A random sample of 300 adults is to be selected to test this claim.

A. What are the shape, mean, and standard deviation of the sampling distribution of the sample proportion for samples of 300?

B. What is the probability that the sample proportion will fall within 3 percentage points (+/- 0.03) of the population proportion?

Reference no: EM131435526

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