For a normal distribution,
a. What z-score separates the highest 10% from the rest of the scores?
b. What z-score separates the highest 30% from the rest of the scores?
c. What z-score separates the lowest 40% from the rest of the scores?
d. What z-score separates the lowest 20% from the rest of the scores?

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The Answer of For a normal distribution,
a. What z-score separates the highest 10% from the rest of the scores?
b. What z-score separates the highest 30% from the rest of the scores?
c. What z-score separates the lowest 40% from the rest of the scores?
d. What z-score separates the lowest 20% from the rest of the scores?

For a Normal Distribution