Lemma
MediumContinuous distributions
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §8.4 Probability and Calculus, #18 · Probability · Continuous distributions

You make a 3-minute telephone call

You make a 3-minute telephone call. If the waiting time for the next incoming call has , what is the probability that your phone will be busy?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §8.4 Probability and Calculus, #18

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