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The ages of a random sample of five Brown professors are 29, 44, 61, 72, and 59. It is assumed that the ages of Brown

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The ages of a random sample of five Brown professors are 29, 44, 61, 72, and 59. It is assumed that the ages of Brown professors are normally distributed. Find a 99% confidence interval for the population variance of the ages of all professors at Brown

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