Average Time in Queue with Multiple Servers
NUMBER OF SERVERS
MEAN ARRIVAL RATE
(customers per hour per server)
COEFFICIENT OF VARIANCE FOR
INTER-ARRIVAL TIME
COEFFICIENT OF VARIANCE FOR
SERVICE TIME
An employee can serve, on average, 20 customers per hour, so the mean service time is 3 minutes.
Mean inter-arrival time per server
134
Standard deviation of inter-arrival time
134
Standard deviation of service time
134
Average time in queue
134