Many of a bank's customers use its ATMs to transact businessafter normal banking hours.  During the early evening hourscustomers arrive at a certain ATM location at a rate of one every7.4 minutes.  On average 24.9 customers per hour can be servedby the ATM.

What is the expected number of minutes customers spend atthe ATM (waiting plus using it)?

(B)

Many of a bank's customers use its ATMs to transact businessafter normal banking hours. During the early evening hourscustomers arrive at a certain ATM location at a rate of one every6.2 minutes. On average 12.2 customers per hour can be servedby the ATM.

What is the expected number of customers waiting for theATM?

(C)

Many of a bank's customers use its ATMs to transact businessafter normal banking hours. During the early evening hourscustomers arrive at a certain ATM location at a rate of one every6.9 minutes. On average 16.6 customers per hour can be servedby the ATM.

What is the expected number of customers at the ATM,including those waiting in line?

(D)

Many of a bank's customers use its ATMs to transact businessafter normal banking hours. During the early evening hourscustomers arrive at a certain ATM location at a rate of one every7.1 minutes. On average 28.7 customers per hour can be servedby the ATM.

What is the expected number of minutes customerswait the ATM?

(E)

The average service time at the CSUS Financial Aid Office is 7.5minutes and the average time between arrivals is 10.3.

On average, what percentage of time is the server idle?(use decimal format, e.g., enter 50% as .50)

Answer rating: 100% (QA)

10 A Arrival rate X 6074 8108 customers per ... View the full answer