| 128998 | Binomial Distribution · Exercise 21 | Medium | |
| 129000 | Binomial Distribution · Exercise 23 | Medium | |
| 129002 | Binomial Distribution · Exercise 25 | Medium | |
| 129004 | Binomial Distribution · Exercise 27 | Medium | |
| 129006 | Binomial Distribution · Exercise 29 | Medium | |
| 129007 | Binomial Distribution · Exercise 30 | Medium | |
| 129017 | Geometric Distribution · Exercise 2 | Medium | |
| 129019 | Geometric Distribution · Exercise 4 | Medium | |
| 129021 | Geometric Distribution · Exercise 6 | Medium | |
| 129022 | Geometric Distribution · Exercise 7 | Medium | |
| 129024 | Geometric Distribution · Exercise 9 | Medium | |
| 129026 | Geometric Distribution · Exercise 11 | Medium | |
| 129028 | Geometric Distribution · Exercise 13 | Medium | |
| 129038 | Hypergeometric Distribution · Exercise 2 | Medium | |
| 129040 | Hypergeometric Distribution · Exercise 4 | Medium | |
| 129042 | Hypergeometric Distribution · Exercise 6 | Medium | |
| 129044 | Hypergeometric Distribution · Exercise 8 | Medium | |
| 129046 | Hypergeometric Distribution · Exercise 10 | Medium | |
| 129059 | Poisson Distribution · Exercise 1 | Medium | |
| 129061 | Poisson Distribution · Exercise 3 | Medium | |
| 129063 | Poisson Distribution · Exercise 5 | Medium | |
| 129065 | Poisson Distribution · Exercise 7 | Medium | |
| 129067 | Poisson Distribution · Exercise 9 | Medium | |
| 129069 | Poisson Distribution · Exercise 11 | Medium | |
| 129071 | Poisson Distribution · Exercise 13 | Medium | |
| 129073 | Poisson Distribution · Exercise 15 | Medium | |
| 129075 | Poisson Distribution · Exercise 17 | Medium | |
| 129077 | Poisson Distribution · Exercise 19 | Medium | |
| 129079 | Poisson Distribution · Exercise 21 | Medium | |
| 129081 | Poisson Distribution · Exercise 23 | Medium | |
| 129083 | Poisson Distribution · Exercise 25 | Medium | |
| 130419 | Hypergeometric Distribution · Exercise 3 | Medium | |
| 130421 | Hypergeometric Distribution · Exercise 5 | Medium | |
| 130427 | Binomial Distribution · Exercise 16 | Medium | |
| 130428 | Binomial Distribution · Exercise 21 | Medium | |
| 130430 | Binomial Distribution · Exercise 29 | Medium | |
| 130431 | Binomial Distribution · Exercise 30 | Medium | |
| 130451 | Poisson Distribution · Exercise 17 | Medium | |
| 130454 | Poisson Distribution · Exercise 21 | Medium | |
| 130456 | Poisson Distribution · Exercise 23 | Medium | |
| 131157 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 6 | Medium | |
| 131158 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 7 | Medium | |
| 131159 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 8 | Medium | |
| 131161 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 10 | Medium | |
| 131163 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 12 | Medium | |
| 131165 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 14 | Medium | |
| 131167 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 16 | Medium | |
| 131168 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 17 | Medium | |
| 131169 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 18 | Medium | |
| 131173 | Mean or Expected Value and Standard Deviation · Exercise 1 | Medium | |