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Statistics Assignment | Professional Writing Services

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January 23rd, 2020

The delivery times for all food orders at a fast-food restaurant during the lunch hour are normally distributed with a mean of 12.8 minutes and a standard deviation of 3.8 minutes. Let x¯be the mean delivery time for a random sample of 40 orders at this restaurant. Calculate the mean and standard deviation of x¯.

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Round your answers to two decimal places.

Mean of x¯=  minutes

Standard deviation of x¯=  minutes

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