SOLUTION: A mean score on a standardized test is 50 with a standard deviation of 10. What percentile of scores falls between +1 and +2 standard deviations?

SOLUTION: A mean score on a standardized test is 50 with a standard deviation of 10. What percentile of scores falls between +1 and +2 standard deviations?

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Question 830799: A mean score on a standardized test is 50 with a standard deviation of 10.
What percentile of scores falls between +1 and +2 standard deviations?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

13.5% of the scores fall between 1 and 2 standard deviations.
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