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?

(x-5)1/2+5=2 what is possible solution of this equation

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect