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  3. the mean per capita income is 15,654 dollars per a

The mean per capita income is 15,654 dollars per annum with a standard deviation of 570 dollars...

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Basic Math

The mean per capita income is 15,654 dollars per annum with astandard deviation of 570

dollars per annum.

What is the probability that the sample mean would differ fromthe true mean by less than  63 dollars if a sample of 315persons is randomly selected? Round your answer to four decimalplaces.

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