ASQ
CRE · Question #12
CRE Question #12: Real Exam Question with Answer & Explanation
The correct answer is B. 0.7796. See the full explanation below for the reasoning.
Question
A satellite has two redundant control systems, each has a failure rate (lambda) = 1?0 -6 failures/hour. If one of the systems fails, the failure rate for the remaining system increases to 2?0 -5 failures/hour. What is the reliability of the redundant control systems at 175,000 hours?
Options
- A0.8609
- B0.7796
- C0.690
- D0.2507
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