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CRE · Question #239

The following fault tree diagram was developed by a team. The probability are as follow: A1 = 0.90 B1 = 0.90 C1 = 0.80 A2 = 0.80 B3 = 0.80 C2 = 0.70 A4 = 0.70 The likelihood that the system fault…

The correct answer is C. 0.4977. See the full explanation below for the reasoning.

Reliability in Design and Development

Question

The following fault tree diagram was developed by a team. The probability are as follow:

A1 = 0.90 B1 = 0.90 C1 = 0.80 A2 = 0.80 B3 = 0.80 C2 = 0.70 A4 = 0.70 The likelihood that the system fault will occur is

Options

  • A0.3073
  • B0.3686
  • C0.4977
  • D0.5034

How the community answered

(60 responses)
  • A
    3% (2)
  • B
    7% (4)
  • C
    75% (45)
  • D
    15% (9)

Topics

#fault tree analysis#probability calculation#AND/OR gates#system failure probability

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