Mathematics, 23.05.2021 07:20 corianrigby97
The customer care manager at a cell phone company keeps track of how long each help-line caller spends on hold before speaking to a customer service representative. He finds that the distribution of wait times for all callers has a mean of 12 minutes with a standard deviation of 5 minutes. The distributions is moderately skewed to the right. Suppose the manager takes a random sample of 35 callers and calculates their mean wait time, x. (Please give an explanation)
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