ASQ
CRE · Question #246
A system has components connected in active parallel. At least n - 1 of the components must operate for the system to function properly. Suppose the time to failure of each component has an…
The correct answer is A. (2n - 1)/n(n - 1). You've hit your weekly limit · resets 5am (America/New_York)
System Reliability
Question
A system has components connected in active parallel. At least n - 1 of the components must operate for the system to function properly. Suppose the time to failure of each component has an exponential distribution with the same failure rate . The mean time to failure of this system is:
Options
- A(2n - 1)/n(n - 1) .
- B1/(n - 1)
- C2/(n - 1)
- D(n - 1)/n 2
How the community answered
(67 responses)- A72% (48)
- B6% (4)
- C7% (5)
- D15% (10)
Explanation
You've hit your weekly limit · resets 5am (America/New_York)
Topics
#active parallel system#MTTF formula#exponential distribution#redundancy math
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