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The Director of Admissions at Rutgers University is preparin

Paper help Economics The Director of Admissions at Rutgers University is preparin

Economics

The Director of Admissions at Rutgers University is preparin

The Director of Admissions at Rutgers University is preparing a report for the New Jersey Department… Show more The Director of Admissions at Rutgers University is preparing a report for the New Jersey Department of Higher Education regarding the demographics for entering classes. The director wanted to estimate the age of students enrolled. The estimate must be within 1 year of the population. Assume that ages are normally distributed. Determine the minimum sample size to construct a 90% confidence interval for the population mean. Assume the population standard deviation is 1.2 years. Repeat (a) with a 99% confidence interval. Which level of confidence requires a larger sample size? Explain. • Show less

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