Mathematics, 30.10.2019 19:31 dianasmygova

Abank wishing to increase its customer base advertises that it has the fastest service and that virtually all of its customers are served in less than 9 minutes. a management scientist has studied the service times and concluded that service times are exponentially distributed with a mean of 5 minutes. determine what the bank means when it claims 'virtually all' its customers are served in under 9 minutes. proportion of customers served in under 9 minutes?

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