Mathematics, 13.08.2021 14:00 nook4boo

The time to failure (in hours) for a laser in a cytometry machine is modeled by an exponential distribution with (a) What is the probability that the laser will last at least 20,000 hours? (b) What is the probability that the laser will last at most 30,000 hours? (c) What is the probability that the laser will last between 20,000 and 30,000 hours?

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