| 131212 | Binomial Distribution (Optional) · Exercise 5 | Medium | |
| 131214 | Binomial Distribution (Optional) · Exercise 7 | Medium | |
| 131218 | Binomial Distribution (Optional) · Exercise 12 | Medium | |
| 131222 | Binomial Distribution (Optional) · Exercise 16 | Medium | |
| 131224 | Binomial Distribution (Optional) · Exercise 18 | Medium | |
| 131246 | Geometric Distribution (Optional) · Exercise 3 | Medium | |
| 131248 | Geometric Distribution (Optional) · Exercise 5 | Medium | |
| 131255 | Geometric Distribution (Optional) · Exercise 12 | Medium | |
| 131280 | Poisson Distribution (Optional) · Exercise 10 | Medium | |
| 131282 | Poisson Distribution (Optional) · Exercise 12 | Medium | |
| 131292 | Poisson Distribution (Optional) · Exercise 26 | Medium | |
| 128911 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 2 | Medium | |
| 128912 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 3 | Medium | |
| 128913 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 4 | Medium | |
| 128915 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 6 | Medium | |
| 128916 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 7 | Medium | |
| 128917 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 8 | Medium | |
| 128919 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 10 | Medium | |
| 128921 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 12 | Medium | |
| 128923 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 14 | Medium | |
| 128925 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 16 | Medium | |
| 128926 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 17 | Medium | |
| 128927 | Probability Distribution Function (PDF) for a Discrete Random Variable · Exercise 18 | Medium | |
| 128937 | Mean or Expected Value and Standard Deviation · Exercise 1 | Medium | |
| 128939 | Mean or Expected Value and Standard Deviation · Exercise 3 | Medium | |
| 128941 | Mean or Expected Value and Standard Deviation · Exercise 5 | Medium | |
| 128943 | Mean or Expected Value and Standard Deviation · Exercise 7 | Medium | |
| 128944 | Mean or Expected Value and Standard Deviation · Exercise 8 | Medium | |
| 128945 | Mean or Expected Value and Standard Deviation · Exercise 9 | Medium | |
| 128947 | Mean or Expected Value and Standard Deviation · Exercise 11 | Medium | |
| 128949 | Mean or Expected Value and Standard Deviation · Exercise 13 | Medium | |
| 128950 | Mean or Expected Value and Standard Deviation · Exercise 15 | Medium | |
| 128952 | Mean or Expected Value and Standard Deviation · Exercise 17 | Medium | |
| 128954 | Mean or Expected Value and Standard Deviation · Exercise 19 | Medium | |
| 128955 | Mean or Expected Value and Standard Deviation · Exercise 20 | Medium | |
| 128957 | Mean or Expected Value and Standard Deviation · Exercise 22 | Medium | |
| 128959 | Mean or Expected Value and Standard Deviation · Exercise 24 | Medium | |
| 128961 | Mean or Expected Value and Standard Deviation · Exercise 26 | Medium | |
| 128963 | Mean or Expected Value and Standard Deviation · Exercise 28 | Medium | |
| 128965 | Mean or Expected Value and Standard Deviation · Exercise 30 | Medium | |
| 128979 | Binomial Distribution · Exercise 2 | Medium | |
| 128981 | Binomial Distribution · Exercise 4 | Medium | |
| 128983 | Binomial Distribution · Exercise 6 | Medium | |
| 128985 | Binomial Distribution · Exercise 8 | Medium | |
| 128986 | Binomial Distribution · Exercise 9 | Medium | |
| 128988 | Binomial Distribution · Exercise 11 | Medium | |
| 128990 | Binomial Distribution · Exercise 13 | Medium | |
| 128992 | Binomial Distribution · Exercise 15 | Medium | |
| 128994 | Binomial Distribution · Exercise 17 | Medium | |
| 128996 | Binomial Distribution · Exercise 19 | Medium | |