You want to estimate s for the population of waiting times


You want to estimate s for the population of waiting times at a fast-food restaurant's drive-up windows, and you want to be 95% confident that the sample standard deviation is within 20% of s.  Find the minimum sample size needed.  Is this sample size practical?

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Applied Statistics: You want to estimate s for the population of waiting times
Reference No:- TGS01180568

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