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Mathematics, 06.04.2020 22:34 lifeofabe214

The average student loan debt for college graduates is $25,250. Suppose that that distribution is normal and that the standard deviation is $12,000. Let X = the student loan debt of a randomly selected college graduate. Round all probabilities to 2 decimal places and all dollar answers to the nearest dollar.

A. X ~ N( , )

B. Find the probability that the college graduate has between $20,000 and $30,000 in student loan debt.

C. The middle 30% of college graduates' loan debt lies between what two numbers?
Low: $
High: $

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