math 128

 The average student loan debt for college graduates is $25,750. Suppose that that distribution is normal and that the standard deviation is $11,850. Let X = the student loan debt of a randomly selected college graduate. Round all probabilities to 4 decimal places and all dollar answers to the nearest dollar.
 

 a.  What is the distribution of X? X ~ N(Correct,Correct)

b   Find the probability that the college graduate has between $7,950 and $22,800 in student loan debt.

c.  The middle 10% of college graduates’ loan debt lies between what two numbers?
     Low: $
     High: $