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CRE · Question #303

A redundant system has 5 standby parallel components, with perfect switching. If each of the components have a reliability of 0.03 failures/hour, what is the system's reliability at 20 hours?

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System Reliability

Question

A redundant system has 5 standby parallel components, with perfect switching. If each of the components have a reliability of 0.03 failures/hour, what is the system's reliability at 20 hours?

Options

  • A0.9232
  • B0.9432
  • C0.9997
  • D0.9999

How the community answered

(30 responses)
  • A
    7% (2)
  • B
    7% (2)
  • C
    3% (1)
  • D
    83% (25)

Explanation

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Topics

#standby parallel#redundancy#system reliability calculation#failure rate

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