Mean time to failure (MTTF) & Mean time to recover/repair (MTTR)

blitz · Jul 8, 2009

hi,
can anyone please guide me in calculating MTTR and MTTF if the data is in LogNormal distribution. What are the formula for calculating the MTTF and MTTR ?.....
Can anyone please respond to this as it is quite urgent....

Best Regards,

harry · Jul 8, 2009

What are the formula for calculating the MTTF and MTTR ?.....

Basic formula: MTBF = MTTR + MTTF

The threads in the 'similar discussion threads' box below could be useful.

e006823 · Jul 9, 2009

Re: Mean time to failure MTTF) & Mean time to recover/repair (MTTR)

blitz said:
hi,
can anyone please guide me in calculating MTTR and MTTF if the data is in LogNormal distribution. What are the formula for calculating the MTTF and MTTR ?.....
Can anyone please respond to this as it is quite urgent....

Best Regards,

The attachment contains the formulas

Mean time to failure (MTTF) & Mean time to recover/repair (MTTR)

blitz

harry

e006823

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