College Dean
A college dean would like to estimate a population mean to within 40 units with 99% confidence given that the population standard deviation is 200.
-{College Dean Narrative} What sample size should be used if we wish to estimate the population mean to within 10 units?

Question

College Dean
 A college dean would like to estimate a population mean to within 40 units with 99% confidence given that the population standard deviation is 200. ​ ​
-{College Dean Narrative} What sample size should be used if we wish to estimate the population mean to within 10 units?

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The Answer of College Dean
 A college dean would like to estimate a population mean to within 40 units with 99% confidence given that the population standard deviation is 200. ​ ​
-{College Dean Narrative} What sample size should be used if we wish to estimate the population mean to within 10 units?

College Dean a College Dean Would Like to Estimate a Population