In an M/MɅ queueing system, the arrival rate is 7 customers per hour and the service rate is 9 customers per hour. Note: Round your answers to 3 decimal places. a. What is the probability that the server will be idle? Probability b. What is the probability of having exactly 2 customers in the system? Probability c. What is the probability of having 3 or fewer customers in the system? Probability

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