Beginners Stats Assignment - Confidence Intervals, Z-score

Confidence Intervals, Z-score Assignment

Use the Normal Distribution table to find the proportion of the normal curve that is

1) Between a z-score of .25 and the mean

2) Between a z-score of 1.25 and the mean

3) At or above a z-score of 1.25

4) At or below a z-score of 1.25

5) At or below a z-score of -1.50

6) At or above a z-score of -1.75

7) Between the z-scores of -1.50 and .50

8) Between the z-scores of 1.00 and .25

9) Between the z-scores of 1.25 and .50