ASQ
CRE · Question #409
The reliability goal for a complex system is 0.995. The predicted reliability for the system is 0.999 when one of the subsystems is functioning and 0.90 when that subsystem is not functioning. What…
The correct answer is C. 0.960. See the full explanation below for the reasoning.
System Reliability
Question
The reliability goal for a complex system is 0.995. The predicted reliability for the system is 0.999 when one of the subsystems is functioning and 0.90 when that subsystem is not functioning. What is the minimum reliability for this subsystem to meet the system reliability goal?
Options
- A0.899
- B0.929
- C0.960
- D0.998
How the community answered
(31 responses)- A10% (3)
- B16% (5)
- C71% (22)
- D3% (1)
Topics
#reliability allocation#system reliability#subsystem reliability#reliability calculation
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