Waiting Lines Patient Customers

An ATM is installed in a train station. Data from similar ATMssuggest one person will arrive to use the ATM every 2.75 minuteswith a standard deviation of 3.75 minutes. Once a person is at theATM, a transaction takes 1.75 minutes with a standard deviation of3.75 minutes.

What percent of the day will the ATM be busy? How much time willa person, on average spend in line to use the ATM and what will theaverage line length be?

Answer rating: 100% (QA)

Option D is correct Given that when the switch S is closed and S is open then t... View the full answer