Mathematics, 07.02.2022 20:30, derekmartinez
The average student loan debt for college graduates is $26,000. Suppose that that distribution is normal and that the standard deviation is $12,300. 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(
b Find the probability that the college graduate has between $24,900 and $30,950 in student loan debt.
c. The middle 20% of college graduates' loan debt lies between what two numbers?
Low: $
High: $
Answers: 1
Mathematics, 21.06.2019 13:50, miacervenka
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)
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