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What is the probability of an item failing in less than 5 hours if it has a constant failure rate of 1/hour?

Posted: Fri Jul 22, 2022 11:18 am
by answerhappygod
What is the probability of an item failing in less than 5 hours if it has a constant failure rate of 1/hour?

A. 0.00674
B. 0.99127
C. 0.99326
D. 0.99642