Discrete Random Variables and Probability Distributions

What this note covers

1. What Is a Discrete Random Variable?
2. Probability Distribution Tables
3. Expected Value E(X)
4. Variance Var(X) and Standard Deviation
5. Finding an Unknown Probability in a Distribution
6. Interpreting E(X) and Var(X) in Context
7. Exam Technique and Worked Strategies

7 sections · 12 key terms & formulas · 6 common mistakes