The time (in hours) required to repair a machine is an exponentially distributed random variable with parameter

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The time (in hours) required to repair a machine is an exponentially distributed random variable with parameter λ = 1/2. What is

a. What is the probability that a repair time exceeds 2 hours?

b. the conditional probability that a repair takes at least 10 hours, given that its duration exceeds 9 hours?

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A First Course In Probability

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Authors: Sheldon Ross

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Question Posted: Sep 09, 2021 03:09 AM

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The time (in hours) required to repair a machine is an exponentially distributed random variable with parameter

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