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Business Scores on the Graduate Management Association Test (GMAT) are approximately normally distributed. The mean score for...

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Statistics

Business Scores on the Graduate Management AssociationTest (GMAT) are approximately normally distributed. The mean scorefor 2013–2015 was 552 with a standard deviation of 121. For thefollowing exercises, find the probability that a GMAT test takerselected at ran dom earns a score in the given range, using thenormal distribution as a model. (Data from:www.gmac.com.)

31. Between 540 and 700

32. Between 300 and 540

34. Less than 400

35. Greater than 750

36. Between 600 and 700

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