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For a Normal Distribution

Question 10

Short Answer

For a normal distribution,
a.What z-score separates the highest 25% from the rest of the scores?
b.What z-score separates the highest 60% from the rest of the scores?
c.What z-score separates the lowest 30% from the rest of the scores?
d.What z-score separates the lowest 80% from the rest of the scores?

Correct Answer:

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a.z = 0.67...

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