The Normal Distribution and z-Scores

What this note covers

1. Properties of the Normal Distribution
2. The Standard Normal Distribution and z-Scores
3. Using the Standard Normal Table
4. Worked Example 1 — Finding a Probability
5. Worked Example 2 — Finding a Probability Between Two Values
6. Worked Example 3 — Finding a Percentile (Inverse Normal)
7. Applying the Empirical Rule in HSC Questions

7 sections · 14 key terms & formulas · 6 common mistakes