1 answer

A credit score measures a person's creditworthiness. Assume the average credit score for Americans is 698....

Question:

A credit score measures a persons creditworthiness. Assume the average credit score for Americans is 698. Assume the scores

A credit score measures a person's creditworthiness. Assume the average credit score for Americans is 698. Assume the scores are normally distributed with a standard deviation of 55. a) Determine the interval of credit scores that are one standard deviation around the mean b) Determine the interval of credit scores that are two standard deviations around the mean. c) Determine the interval of credit scores that are three standard deviations around the mean a) The interval of credit scores that are one standard deviation around the mean ranges from (Type integers or decimals Use ascending order) to b) The interval of credit scores that are two standard deviations around the mean ranges from (Type integers or decimals Use ascending order.) to c) The interval of credit scores that are three standard deviations around the mean ranges from (Type integers or decimals. Use ascending order.)

Answers

a) Interval of one standard deviation:

(698 - 55) to (698 + 55)

643 to 753

b) Interval of two standard deviations:

(698 - 2*55) to (698 + 2*55)

588 to 808

c) Interval of three standard deviations:

(698 - 3*55) to (698 + 3*55)

533 to 863

.

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