
Using a "Standard Normal Distribution" area table
(see HELP! Appendix, Reference #7),
determine each of the following percentages:
- P(-.75 < z < .75) ≈ __________%
- P(z < -1.2) ≈ __________%
- P(-1 < z < 2.52) ≈ __________%
- P(-2.3 < z < 2.52) ≈ __________%
- P(-1.2 < z < -1) ≈ __________%