scoutbuffy1013 scoutbuffy1013

27-05-2024
Mathematics

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Potbelly sandwiches wishes to estimate the mean length of time to fill a customer order during the lunch rush. How large a sample size should be taken to estimate the mean time to fill a customer order to within 1.3 minutes at the 99% confidence level? Assume the population standard deviation is 2.8 minutes.

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