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For an M/M/1/GD/∞/∞ queuing system with arrival rate λ = 16 customers per hour and service...

For an M/M/1/GD/∞/∞ queuing system with arrival rate λ = 16 customers per hour and service rate μ = 20 customers per hour, on the average, how long (in minutes) does a customer wait in line (round off to 3 decimal digits)?

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