Question
Grade point averages of math majors at a large distance education university are normally distributed with a mean of 2.85 and a standard deviation of
Grade point averages of math majors at a large distance education university are normally distributed with a mean of 2.85 and a standard deviation of 0.30. If a random sample of 25 math majors is selected from that university, what is the probability that the sample mean grade point average will be
either less than 2.709 or more than 2.955?
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An Introduction to the Mathematics of Financial Derivatives
Authors: Ali Hirsa, Salih N. Neftci
3rd edition
012384682X, 978-0123846822
