Mathematics, 18.06.2020 17:57 kahliey
18. The servicing of a machine requires two separate steps, with the time needed for the
first step being an exponential random variable with mean 0.2 hour and the time for the
second step being an independent exponential random variable with mean 0.3 hour. If a
repair person has 20 machines to service, what is approximately the probability that all the
work can be completed in 8 hours?
Answers: 2
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18. The servicing of a machine requires two separate steps, with the time needed for the
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