Suppose that the time for UPS confirmation by e-mail or text of a door delivery is
uniformly distributed between 5 and 10 minutes.
A. What is the probability that the confirmation arrives within 6 minutes?
b. What is the probability that the customer will have to wait no more than 7 minutes for
a confirmation?
c. What is the probability that the customer will have to wait at least 8 minutes for a
confirmation?
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