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Question 41:



No answer provided yet.To answer this, use the properties of the standard normal curve. First calculate a z-score, which is (80-65)/10 = 1.5. You can take this z-score of 1.5 and look up the area in the z-score to percentile calculator and select one-sided area. You should get about 6.6% of the countries have economic scores above 80.

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