Grade point averages of students on a large campus follow a normal distribution with a mean of
Question:
a. One student is chosen at random from this campus.
What is the probability that this student has a grade point average higher than 3.0?
b. One student is chosen at random from this campus.
What is the probability that this student has a grade point average between 2.25 and 2.75?
c. What is the minimum grade point average needed for a student's grade point average to be among the highest 10% on this campus?
d. A random sample of 400 students is chosen from this campus. What is the probability that at least 80 of these students have grade point averages higher than 3.0?
e. Two students are chosen at random from this campus. What is the probability that at least one of them has a grade point average higher than 3.0? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For 
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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