Question: Suppose that the times requires for a cable company to fix cable problems in its customers’ homes are between 10 minutes and 25 minutes.

a) Find the probability that a randomly selected cable repair visit will take at least 15 minutes if the repair time is uniformly distributed?

b) Find the probability that a randomly selected cable repair visit will take at least 15 minutes if the repair time is normally distributed and 95% of the time the repair is completed between 10 minutes and 25 minutes?