It is the city's goal to limit the before speaking to a 911 operator to two minutes or less. In the Number of Added Servers line to the left, state the minimum number of servers that must be added to each precinct to meet the city's goal of two minutes or less in the queue before speaking with an operator. Discuss how you arrived at each answer.

	A	B	C	D	E
Arrival Rate	3.98	4.30	4.51	2.97	2.82
Service Rate	22.39	23.72	24.10	23.08	23.62
# of Servers	3	4	4	4	4
Utilization	0.06	0.05	0.05	0.03	0.03
P(0), probability that the system is empty	0.84	0.83	0.83	0.88	0.89
Lq, expected queue length	0.00	0.00	0.00	0.00	0.00
L, expected number in system	0.18	0.18	0.19	0.13	0.12
Wq, expected time in queue	0.00	0.00	0.00	0.00	0.00
W, expected total time in system	0.04	0.04	0.04	0.04	0.04
Probability that a customer waits	0.00	0.00	0.00	0.00	0.00
Number of Added Servers