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Learning Goal: I’m working on a business multi-part question and need guidance to help me learn.At a currency exchange bureau, on average a customer arrives every 5 minutes and takes 4 minutes to be served. Considering the assumptions of a single channel queuing model, determine the following:a) Average no. of arrivals per minute b) Service ratec) The traffic intensityd) Fraction of the time the service point/cashier is busye) The probability the cashier is busyf) Expected no. of customers in the systemg) The average length of the queue (no. of customers waiting in the queue)h) The mean time a customer spends in the systemi) The mean time a customer spends in the queue
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