Question 41:
Asked on October 29, 2007
Tags:
Z-Score ,
Standard Normal Curve
1
Answer:
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.