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Award: 1 0 . 0 0 points Many of a bank's customers use its automated banking machine ( ABM ) . During the early evening
Award: points Many of a bank's customers use its automated banking machine ABM During the early evening hours in the summer months, customers arrive at an ABM at the rate of one every other minute assume Poisson Each customer spends an average of seconds completing the transaction. Transaction times are exponentially distributed. Assume that the length of the queue is not a constraint. a Determine the average time customers spend at the machine, including waiting in line and completing transactions. Round the intermediate calculations to decimal places. Round the calculation of the service rate to the nearest whole number. Round the final answer to decimal place. points Average time: minutes b Determine the probability that a customer will not have to wait upon arrival at the ABM. Round the value of to the nearest whole number. Round the final answer to decimal places. Probability: c Determine the utilization of the ABM. Round the value of to the nearest whole number. Round the final answer to decimal places. Utilization rate:
Award: points
Many of a bank's customers use its automated banking machine ABM During the early evening
hours in the summer months, customers arrive at an ABM at the rate of one every other minute
assume Poisson Each customer spends an average of seconds completing the transaction.
Transaction times are exponentially distributed. Assume that the length of the queue is not a
constraint.
a Determine the average time customers spend at the machine, including waiting in line and
completing transactions. Round the intermediate calculations to decimal places. Round the
calculation of the service rate to the nearest whole number. Round the final answer to
decimal place. points
Average time:
minutes
b Determine the probability that a customer will not have to wait upon arrival at the ABM. Round the
value of to the nearest whole number. Round the final answer to decimal places.
Probability:
c Determine the utilization of the ABM. Round the value of to the nearest whole number.
Round the final answer to decimal places.
Utilization rate:
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