What is the system availability for something that has a mean time between failures of 50 hours and needs an average of 1 hour to repair when it does fail?
A) 0.98
B) 0.92
C) 0.86
D) 0.80
E) 0.74

Question

Quizplus · Accepted Answer

System availability is calculated using the formula: Availability = MTBF / (MTBF + MTTR). Here, MTBF is 50 hours and MTTR is 1 hour. So, Availability = 50 / (50 + 1) = 50 / 51 ≈ 0.98.

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