Question: Q13 A single server queuing system with a Poisson arrival rate and exponential service time has an average arrival rate of 9 customers per hour
Q13
A single server queuing system with a Poisson arrival rate and exponential service time has an average arrival rate of 9 customers per hour and an average service rate of 14 customers per hour. The probability of 4 customers in the system is :
A. 0.8292
B. 0.939
C. 0.061
D. 0.3571
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