Question discussion

A system has a mean time to failure (MTTF) of 450 hours and a mean time to repair (MTTR) of 50 hours. Its availability is

2155Medium DSSSB TGT Computer Science 0 replies 1 views

Correct answer: B

Explanation

Availability = MTTF / (MTTF + MTTR) = 450 / 500 = 0.9, i.e. 90%.

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