A credit score measures a persons creditworthiness. According to the credit-scoring company Experian, the average credit score
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A credit score measures a person’s creditworthiness.
According to the credit-scoring company Experian, the average credit score for Americans in march 2013 was 736. Assume the scores are normally distributed with a standard deviation of 40. Determine the interval of credit scores that are
a. one standard deviation around the mean.
b. two standard deviations around the mean.
c. three standard deviations around the mean.
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