- Rand Vars: khan, Blitzstein 8, Orloff 4a, 4b, 5a, Sheffield 8
- Expected values: Blitzstein 9, Orloff 6a, Sheffield 9
- Variance: Blitzstein 12, Sheffield 10
- Binomial and hypergeometric distributions: Blitzstein 7, Sheffield 11
- Poisson distribution: Blitzstein 11, Sheffield 12, 13, 20
- Geometric and negative binomial distributions: Blitzstein 10, Sheffield 14
- Continuous random variables: Orloff 5b, 5c, 5d, Sheffield 15
- Normal distribution: online, khan, Blitzstein 13, 14, 29, Orloff 6b, Sheffield 19, 31
