Q2. Queueing [Total 10 Marks] Identify one application of waiting line model (queuing model) in your workplace, in which customers arrive for service such as at grocery checkout counter, bank, or restaurant. The waiting line models also can be applied to many different situations, such as telephone calls waiting for connections, mail orders waiting for processing, machines waiting for repairs, manufacturing jobs waiting to be processed, and money waiting to be spent or invested. Describe the application in which a waiting line model helped decrease the waiting times. (10 Marks)