Question
If the professor grades on a curve (i.e., gives As to the top 10% of the class, regardless of the score), are you better off
- If the professor grades on a curve (i.e., gives As to the top 10% of the class, regardless of the score), are you better off with a grade of 80 on this exam or a grade of 70 on a different exam, where the mean is 65 and the standard deviation is 5? (4 points)
(A) I am better off on this exam, where the mean is 75 and the standard deviation is 10.
(B) I am better off on the other exam, where the mean is 65 and the standard deviation is 5.
At a computer manufacturing company, the actual size of computer chips is distributed with a mean of 1 centimeter and a population standard deviation of 0.15 centimeter. A random sample of 25 computer chips is taken. What is the probability that the sample mean will be greater than 1.01 centimeters?
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Introduction to graph theory
Authors: Douglas B. West
2nd edition
131437372, 978-0131437371
