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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The length of time it takes to fill an order at a local sandwich shop is normally distributed with a mean of 4.1 minutes and a standard deviation of 1.3 minutes.
-The probability is 95% that the average waiting time for a random sample of ten customers is greater than how many minutes?

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verifed

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P( blured image
> a)= 0.95 ⇒ P ...

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