Physics, asked by sanimurtalabuji, 8 months ago

Twenty machines are operated for 100 hours. One machine fails in 60 hours and another fails in 70 hours. What is the mean time between failures?
What is the reliability of the same machines from question one above, at (i) 500 hours? (ii) 900 hours?

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Answered by santosh2008

1

Answer:

What is the mean time between failures?

,,65hours

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