Calculate MTBF, MTTF, and Availability

Newsgroups	comp.programming
Date	2015-01-27 16:09 -0800
Message-ID	<eea7fdff-d723-4d01-b2a2-4c9d86ba537c@googlegroups.com> (permalink)
Subject	Calculate MTBF, MTTF, and Availability
From	xeon Mailinglist <xeonmailinglist@gmail.com>

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Hi,

I am trying to calculate MTBF, MTTF, and Avalability using the problem below. Can you see if my answers are correct?

A system has on average one failure every 4000 hours, and the repair takes 4 hours.

Calculate the reliability in terms of MTTF? I think it is 4000.

Calculate the reliability in terms of MTBF? I think it is 3994

Calculate the maintainability in terms of MTTR? I think it is 4.

Calculate its availability based on MTBF and MTTR? I think it is 3996/4000=0.99

Thanks,

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Calculate MTBF, MTTF, and Availability xeon Mailinglist <xeonmailinglist@gmail.com> - 2015-01-27 16:09 -0800

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