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zhamila zhamila
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6 years ago
On average, how long will a machine be down and out of service?
 
  In a factory, machines breakdown at an average of 6 machines per hour according to a Poisson distribution. The time a repair person takes to repair the machine is not defined by any probability distribution, but has a mean of 8 minutes and a standard deviation of 3 minutes.
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alohacharlesalohacharles
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