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CRE · Question #53
CRE Question #53: Real Exam Question with Answer & Explanation
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Question
Which answer mathematically expresses the reliability of an active parallel system in which all component reliabilities are unequal?
Options
- ARs = RaRbRc - (RaRb + RbRc + RaRc) + (Ra + Rb + Rc)
- BRs = [RaRbRc] / [Ra + Rb + Rc]
- CRs = Ra + Rb + Rc - RaRbRc
- DRs = [RaRbRc + RaRb + RbRc + RaRc ] / [Ra + Rb + Rc]
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