In an M/M1 queueing system, the arrival rate is 4 customers per hour and the service rate is 6 customers per hour. d. What is the expected number of customers in the queue (Lq)? (Round your answer to 3 decimal places.) Expected number of customers e. What is the expected waiting time in the queue (Wa)? (Express the waiting time in hours, round your answer to 3 decimal places.) Expected waiting time

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