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A distribution for time-to-failure processes characterised by a failure rate that does not vary with time...

A distribution for time-to-failure processes characterised by a failure rate that does not vary with time is?
Math   Statistics-And-Probability   
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There are many types of failure rate such as increasing failure rate, decreasing failure rate and constant failure rate.

A failure rate that does not vary with time is known as constant failure rate.

And exponential distribution is one and only distribution to have constant failure rate.

Hence, A distribution for time-to-failure processes characterised by a failure rate that does not vary with time is Exponential distribution.

Hope this helps you !!!

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