8) (20 pts) Find the z-score a) that lies in the 70th percentile b) such that 82% of the scores lie to its right c) such that the z-score lies to the right of the mean, and the area between it and the mean is 0.2422 d) such that the z-score lies to the left of the mean, and the area between it and the mean is 0.3943 e) that bounds the middle 98% of the data (2 answers)