Question: A simple random sample is to be taken of 527 business majors in a college to estimate the proportion favoring greater emphasis on business ethics

A simple random sample is to be taken of 527 business majors in a college to estimate the proportion favoring greater emphasis on business ethics in the curriculum. How many observations are necessary to ensure that a 95% confidence interval for the population proportion extends at most 0.06 on each side of the sample proportion?

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