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Suppose that the times required for a pizza boy to deliver a meal to costumer homes are normally distributed with mean 32 minutes and standard

Suppose that the times required for a pizza boy to deliver a meal to costumer homes are normally distributed with mean 32 minutes and standard deviation 9 minutes.

1)What is the probability that a randomly selected order will take at least 34 minutes?

2)What is the probability that a randomly selected order will take at most 50 minutes?

3)What is the probability that a randomly selected order will take between 26 minutes and 56 minutes?

4)20 % of the orders will require more than what time?

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