Assignment:
In a single-server model what is the probabilty of 3 customers in the system? Arrival rate: 1.2 calls per minute. Service Rate: 2.1 calls per minute.
In a single-server odel what s the probability of 0 customers in the system? Arrival rate: 0.155 calls per minute. Service rate: 0.211 calls per minute
Could you explain how you get your answer?