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Suppose that in one region of the country, the mean amount of credit card debt per household in households having credit card debt is $15,250,

Suppose that in one region of the country, the mean amount of credit card debt per household in households having credit card debt is $15,250, with standard deviation $7,125. Find the probability that the mean amount of credit card debt in a sample of 1,600 such households will be within $300 of the population mean.

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