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

Posted by: Pdfprep Category: CQE Tags: , ,

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

Answer: C

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