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The mean per capita income is20,908 dollars per annum with a standard deviation of407 dollars per annum. What is the probability that the sample mean

The mean per capita income is20,908 dollars per annum with a standard deviation of407 dollars per annum.

What is the probability that the sample mean would differ from the true mean by more than28 dollars if a sample of55persons is randomly selected? Round your answer to four decimal places.

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