A power supply unit for a computer is assumed to follow an exponential distribution with a mean life of 1200 hours. What is the probability that the component will? a. Fail in the first 300 hours? b. Survive more than 1500 hours? c. Will last between 1200 hours to 1500 hours?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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A power supply unit for a computer is assumed to follow an exponential distribution with a
mean life of 1200 hours. What is the probability that the component will?
a. Fail in the first 300 hours?
b. Survive more than 1500 hours?
c. Will last between 1200 hours to 1500 hours?

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