Question: Problem 3 A bank plans to install an ATM. From past experience they know that a user spends 3 minutes on average doing a transaction.

Problem 3 A bank plans to install an ATM. From

Problem 3 A bank plans to install an ATM. From past experience they know that a user spends 3 minutes on average doing a transaction. They also want the average number of users at the facility (in the line and at the machine) at a given time to be 3. Assume Poisson arrivals, exponential service times, and steady state conditions. (i) What will be the maximum average number of users per hour the ATM will serve? (ii) What will be the average queue time for a customer? (iii) If the average number of users double, i.e. L = 6, how would the answers to the previous parts change

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