(Answered) An automatic drive in teller at american national bank has

Statistics

An automatic drive in teller at American National Bank has the capacity of handling 2,000 entries per regular banking day (according to the firm that sold it to the bank). However, because of limitations imposed by automobile access, the teller is available only 60 per cent of the time. It is actually being used for about 800 entries per day. What is the system efficiency?

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