Question: According to a report in The New York Times bank
According to a report in The New York Times, bank tellers in the United States earn an average of $25,510 a year (Jessica Silver-Greenberg, The New York Times, April 22, 2012). Suppose that the current distribution of salaries of all bank tellers in the United States has a mean of $25,510 and a standard deviation of $4550. Let be the average salary of a random sample of 200 such tellers. Find the mean and standard deviation of the sampling distribution of
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