If the average number of customers in a queue is 9.6,the number of customers in the system is 10,and the arrival rate is 2 customers per minute,what is the probability that at least one customer is in the system?
A)0.8
B)0.2
C)0.6
D)0.4

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The Answer of If the average number of customers in a queue is 9.6,the number of customers in the system is 10,and the arrival rate is 2 customers per minute,what is the probability that at least one customer is in the system?
A)0.8
B)0.2
C)0.6
D)0.4

If the Average Number of Customers in a Queue Is