ASQ
CRE · Question #128
CRE Question #128: Real Exam Question with Answer & Explanation
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Question
A system is turned off every 30 days for 5 minutes for on line maintenance. If the probability of system failure due to hardware failure is negligible, what is the system's unavailability?
Options
- A1.157 ?10 -4
- B3.472 ?10 -4
- C0.0333
- D0.999
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