© Macmillan Learning
Suppose the average wait time at a local Urgent Care facility is 10 min with a standard deviation of 3 min.
After sitting in the waiting room for 5 minutes, a patient begins to complain. Is this patient's wait time unusual?
O Yes, because 5 minutes is more than two standard deviations below the mean.
O No, because 5 minutes is less than two standard deviations above the mean.
O No, because 5 minutes is less than two standard deviations below the mean.
O Yes, because 5 minutes is more than two standard deviations above the mean.
O Yes, because 5 minutes is less than two standard deviations below the mean.