e Required to Estimate a Standard Deviation Population and to be 95% confident of that statement, and to be 99% confident of that For s to be within of a statement, the sample size, n, should be at...

A marketing firm wishes to estimate the standard deviation of the ages of college students. How many students must the marketing firm randomly survey if they want to be 99% confident that the sample standard deviation of the ages of college students is within 5% of the true population standard deviation of ages of college students?

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