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