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#7-8:Given: x21&s4. 7. What score (x) represents the 85th percentile? 8. Between what two values (x)...

#7-8:Given: x21&s4.
7. What score (x) represents the 85th percentile?
8. Between what two values (x) would the middle 75% of the scores fall?

9. Scores on the Graduate Management Association Test (GMAT) are normally distributed. The mean score for 2007-2008 was 540, with a standard deviation of 100. A total of 10,000 people took the test.

An MBA program requires a GMAT score in the 93rd percentile for admission. What actual

score is required?

Math   Statistics-And-Probability   
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