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

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?

For normal distribution, X Z and Z 0 and Z 1 a) The value of Z-score that separates the highest 25% from the rest of the scores,That is, P Z z 0.25 P Z z 1 0.25 0.75The value of Z corresponding...