Question: A data storage system consists of 3 disk drives sharing a common queue. An average of 20 storage requests arrive per second. The average time

A data storage system consists of 3 disk drives sharing a common queue. An average of 20 storage requests arrive per second. The average time required to service a request is 0.069 second. Assuming that interarrival times and service times are exponential, what is the average time a request spends waiting in line (L_q)? (three decimals)

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