| 131229 | Binomial Distribution (Optional) · Exercise 24 | Medium | |
| 131231 | Binomial Distribution (Optional) · Exercise 26 | Medium | |
| 131233 | Binomial Distribution (Optional) · Exercise 28 | Medium | |
| 131237 | Geometric Distribution (Optional) · Example 1 | Easy | |
| 131242 | Geometric Distribution (Optional) · Example 5 | Easy | |
| 131243 | Geometric Distribution (Optional) · Try It 5 | Easy | |
| 131244 | Geometric Distribution (Optional) · Exercise 1 | Medium | |
| 131251 | Geometric Distribution (Optional) · Exercise 8 | Medium | |
| 131253 | Geometric Distribution (Optional) · Exercise 10 | Medium | |
| 131257 | Geometric Distribution (Optional) · Exercise 14 | Medium | |
| 131258 | Hypergeometric Distribution (Optional) · Try It 1 | Easy | |
| 131264 | Hypergeometric Distribution (Optional) · Example 7 | Easy | |
| 131266 | Hypergeometric Distribution (Optional) · Try It 3 | Easy | |
| 131267 | Hypergeometric Distribution (Optional) · Try It 4 | Easy | |
| 131269 | Hypergeometric Distribution (Optional) · Exercise 7 | Medium | |
| 131271 | Hypergeometric Distribution (Optional) · Exercise 9 | Medium | |
| 131274 | Poisson Distribution (Optional) · Try It 5 | Easy | |
| 131275 | Poisson Distribution (Optional) · Try It 6 | Easy | |
| 131276 | Poisson Distribution (Optional) · Example 8 | Easy | |
| 131277 | Poisson Distribution (Optional) · Try It 7 | Easy | |
| 131278 | Poisson Distribution (Optional) · Exercise 8 | Medium | |
| 131285 | Poisson Distribution (Optional) · Exercise 16 | Medium | |
| 131287 | Poisson Distribution (Optional) · Exercise 20 | Medium | |
| 131289 | Poisson Distribution (Optional) · Exercise 22 | Medium | |
| 128912 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 3 | Medium | |
| 128914 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 5 | Medium | |
| 128916 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 7 | Medium | |
| 128926 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 17 | Medium | |
| 128938 | Mean or Expected Value and Standard Deviation · Exercise 2 | Medium | |
| 128940 | Mean or Expected Value and Standard Deviation · Exercise 4 | Medium | |
| 128944 | Mean or Expected Value and Standard Deviation · Exercise 8 | Medium | |
| 128958 | Mean or Expected Value and Standard Deviation · Exercise 23 | Medium | |
| 128962 | Mean or Expected Value and Standard Deviation · Exercise 27 | Medium | |
| 128964 | Mean or Expected Value and Standard Deviation · Exercise 29 | Medium | |
| 128978 | Binomial Distribution · Exercise 1 | Medium | |
| 128980 | Binomial Distribution · Exercise 3 | Medium | |
| 128982 | Binomial Distribution · Exercise 5 | Medium | |
| 128984 | Binomial Distribution · Exercise 7 | Medium | |
| 128989 | Binomial Distribution · Exercise 12 | Medium | |
| 128993 | Binomial Distribution · Exercise 16 | Medium | |
| 128995 | Binomial Distribution · Exercise 18 | Medium | |
| 129018 | Geometric Distribution · Exercise 3 | Medium | |
| 129020 | Geometric Distribution · Exercise 5 | Medium | |
| 129027 | Geometric Distribution · Exercise 12 | Medium | |
| 129030 | Hypergeometric Distribution · Example 1 | Easy | |
| 129032 | Hypergeometric Distribution · Example 2 | Easy | |
| 129037 | Hypergeometric Distribution · Exercise 1 | Medium | |
| 129039 | Hypergeometric Distribution · Exercise 3 | Medium | |
| 129041 | Hypergeometric Distribution · Exercise 5 | Medium | |
| 129048 | Poisson Distribution · Example 1 | Easy | |