ASQ
CRE · Question #335
CRE Question #335: Real Exam Question with Answer & Explanation
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Question
A device has a MTBF of 400 hours. Assuming an exponential distribution of time to failure, what is the maximum time of allowable operation if a reliability of .995 is required?
Options
- A20 hours
- B0.02 hours
- C0.2 hours
- D2 hours
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