After installation, the lifetime of a ball bearing is modeled as an exponential distribution with failure rate

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After installation, the lifetime of a ball bearing is modeled as an exponential distribution with failure rate $\alpha=0.001$ failures per day.

(a) What is the probability that the ball bearing will fail within the first 90 days of installation?

(b) What is the probability that three such ball bearings, installed independently, will all survive the first 90 days of installation?

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Probability And Statistics For Engineers

ISBN: 9780134435688

9th Global Edition

Authors: Richard Johnson, Irwin Miller, John Freund

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Question Posted: Apr 27, 2024 07:03 AM

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After installation, the lifetime of a ball bearing is modeled as an exponential distribution with failure rate

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Probability And Statistics For Engineers

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