Engineering Board Exam Reviewer · Engineering Management · hard

Two identical components, each with a reliability of 0.90, are connected in parallel (redundancy). What is the system reliability?

  1. 0.81
  2. 0.90
  3. 0.99
  4. 0.95

Answer

C. 0.99

Solution

Rp = 1 - (1 - R)2 = 1 - 0.12 = 0.99.

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