Mathematics, 18.02.2020 20:22 Random4422

Suppose that the times required for a cable company to fix cable problems in its customers’ homes are uniformly distributed between 40 minutes and 65 minutes.
(a) What is the probability that a randomly selected cable repair visit will take at least 50 minutes?
(b) What is the probability that a randomly selected cable repair visit will take at most 55 minutes?
(c) What is the expected length of the repair visit?
(d) What is the standard deviation?

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