ASQ
CRE · Question #293
If the reliability goal for a 4 - hour mission is 0.9999 for a complex system, what system MTBF is required?
The correct answer is D. 40,000 hours. See the full explanation below for the reasoning.
System Reliability
Question
If the reliability goal for a 4 - hour mission is 0.9999 for a complex system, what system MTBF is required?
Options
- A55 hours.
- B2,500 hours.
- C10,000 hours.
- D40,000 hours.
How the community answered
(35 responses)- A6% (2)
- B11% (4)
- C3% (1)
- D80% (28)
Topics
#MTBF calculation#exponential distribution#mission reliability#reliability goal
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