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Answer to Question #19445 in Statistics and Probability for ADANE HAILU

Question #19445
Answer the following questions:
1. What is the percentage of scores between 0.5 Z and -0.5Z?
2. What is the percentage of scores between -1.8 Z and +1.8Z?
3. What is the percentage of scores above a Z of 1.21?
4. What is the percentage of scores below a Z of 0.87?
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