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ASQ

CRE · Question #85

Given mean-time-to-failure of 200 hours for each of two components, what is the probability of system failure if both components operate in parallel for one hour?

The correct answer is D. P = 0.000025. See the full explanation below for the reasoning.

Question

Given mean-time-to-failure of 200 hours for each of two components, what is the probability of system failure if both components operate in parallel for one hour?

Options

  • AP = 0.010
  • BP = 0.005
  • CP = 0.001
  • DP = 0.000025

How the community answered

(35 responses)
  • A
    6% (2)
  • B
    11% (4)
  • C
    3% (1)
  • D
    80% (28)

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