Question: A data storage system consists of 3 disk drives sharing a common queue. An average of 50 storage requests arrives per second. The average time

A data storage system consists of 3 disk drives sharing a common queue. An average of 50 storage requests arrives per second. The average time required to service a request is .03 second. Assuming that inter arrival times and service times are exponential, determine:

The probability that no disk drives are busy.

The probability that a job will have to wait.

The average number of jobs present in the storage system.

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