Question
The time in days between breakdowns of a machine is exponentially distributed with mean equal 8 to 8 days. a) What is the probability that
The time in days between breakdowns of a machine is exponentially distributed with mean equal 8
to 8 days.
a) What is the probability that after the machine is repaired it lasts at least two weeks before failing
again?
b) If the machine has performed satisfactorily for 12 days, what is the probability that it lasts at least
three more days before breaking down?
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Number Theory A Historical Approach
Authors: John J Watkins
1st Edition
1400848741, 9781400848744
