Question: 2. M/M/s Queueing System An average of 300 customers per hour arrive at a huge branch of Chicago Bank. It takes an average of 2

2. M/M/s Queueing System An average of 300 customers per hour arrive at a huge branch of Chicago Bank. It takes an average of 2 minutes to serve each customer. It costs $10 per hour to keep open a teller window, and the bank estimates that will lose $50 in future profits for each hour that a customer waits in line. How many teller windows should Chicago Bank open

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