Question: Challenge - Waiting line system A newly opened caf has a single server who takes orders and receives the money on the same till. Customers

Challenge - Waiting line system A newly opened

Challenge - Waiting line system A newly opened caf has a single server who takes orders and receives the money on the same till. Customers arrive at the caf every 4.5 minutes, regardless of what they want to order or whether it is eat-in or take-away. The average time to serve each customer is 2.8 minutes. Activity tasks 1. What is the customer arrival rate per hour? What is the service rate per customer per hour? What is the utilisation level of the server? 2. What is the expected number of customers if the queue (La)? 3. What is the expected number of customers being served (Ls)? 4. How long are you expected to wait before being served (Wa)? 5. How long are you expected to stay in the caf (W)? Assignment question What is the probability that there are less than 4 customers in the queue? Your

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