How many machines are waiting for service

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Reference no: EM131261151

One mechanic services 5 drilling machines for a steel plate manufacturer. Machines break down on an average of once every 6 working days, and breakdowns tend to follow a Poisson distribution.

The mechanic can handle an average of one repair job per day.

Repairs follow a negative exponential distribution a) On the average, how many machines are waiting for service? b) On the average, what is the waiting time to be serviced.

Reference no: EM131261151

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