ASQ
CRE · Question #243
When a large number of components have been tested for a fixed time with no failure then:
The correct answer is A. The failure rate is indeterminable. See the full explanation below for the reasoning.
Data Collection and Use
Question
When a large number of components have been tested for a fixed time with no failure then:
Options
- AThe failure rate is indeterminable.
- BThe failure rate is at least an individual test time.
- CThe failure rate is equivalent to the sum of the individual test times.
- DThe Laplace rule of succession will apply.
How the community answered
(57 responses)- A82% (47)
- B5% (3)
- C2% (1)
- D11% (6)
Topics
#zero-failure testing#failure rate estimation#time-terminated test#statistical inference
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