1. ATM QUEUES Kemal Cilengir Kristina Feye Jared Kredit James Winfield

2. Why Queuing Theory? Many business situations today involve the consumer and a service provided by either people or computers. When the consumer requests one of these services, they are often required to wait in a line before the service can be performed. Our goal is to provide good customer service that allows our customers to accomplish what they need done in a timely fashion.

3. Why Queuing Theory? A growing problem here at People’s bank is the length of queue’s that form of people trying to use our ATMs. The effective and efficient management of these queues can have a major effect on business. The amount of customer traffic at different times of the day necessitates varying amounts of ATMs to be open.

4. Our Goal We have been given several claims we must attempt to meet for two different hours.

6. How is this done? An analysis of this data showed that customer arrival followed an exponential distribution, while service time did not follow any known distribution.

7. Simulation In order to generate a larger amount of data in which to base our decision, we ran a simulation. Because of the findings explained in the previous slide, we were able to utilize two simulation methods, “Boot Strapping” and “Monte Carlo.” These two methods are key factors in the successful running of the simulation.

8. What did we find?

10. Gift Certificate Program An expected cost of nearly $50.00 an Hour seemed unnecessary, but we decided to explore further to see what people’s actual preference is regarding a serpentine queue model, as opposed to individual lines. Our survey of 50 random people lined up at ATM’s around campus showed that 60% of them would actually prefer a serpentine queue.