Abstract:
Bank ATMs would avoid losing their
customers due to a long wait on the line. The bank initially provides one ATM. However, one ATM would not serve a purpose when customers withdraw to use ATM and try to use other bank ATM. Thus, to maintain the customers, the service time needs to be improved. This paper shows that the queuing theory may be used to solve this problem. We obtained the data from a bank ATM in a city. We used Little’s Theorem and M/M/1 queuing model. The arrival rate at a bank ATM on Monday during banking time is