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The average amount of time a person spends shopping for groceries in a week is normally distributed with a mean of 60 minutes and a

The average amount of time a person spends shopping for groceries in a week is normally distributed with a mean of 60 minutes and a standard deviation of 19 minutes.

What is the probability that a randomly selected person shops for groceries for less than 50 minutes in one week?
What is time at the 90th percentile for minutes spent shopping for groceries in a week?
SupposeY=2x+4
Y=2x+4converts the time a shopper spends shopping for groceries in a week to the number of items bought.What is the mean and standard deviation for the number of grocery items purchased in a week?

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