SOLUTION: The delivery times for all food orders at a fast-food restaurant during the lunch hour are normally distributed with a mean of 7.7 minutes and a standard deviation of 2.1 minutes.

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Question 1161985: The delivery times for all food orders at a fast-food restaurant during the lunch hour are normally
distributed with a mean of 7.7 minutes and a standard deviation of 2.1 minutes. Find the probability
that the mean delivery time for a random sample of 16 such orders at this restaurant is
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
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As it is worded, printed and submitted, the post MAKES no SENSE.