SOLUTION: Suppose that the average score on the GMAT exam is 500 and that the standard deviation of all scores is 100 points. You would expect approximately 95% of all GMAT scores to be be

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Question 1016026:
Suppose that the average score on the GMAT exam is 500 and that the standard deviation of all scores is 100 points. You would expect approximately 95% of all GMAT scores to be between which?
a. 400 and 600


b. 300 and 700


c. 200 and 800


d. 350 and 650


e. 250 and 750
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Note that with a normal distribution, about 95% of the data is within 2 standard deviations of the mean. This leaves B) 300 - 700.