| No | Description | Difficulty | Syllabus | Level | |
|---|---|---|---|---|---|
| 1 | Given P(A) and P(A & B) find P(A or B); 2NI | Intermediate | A-level | S1 | Related material |
| 2 | Given P(A) and P(B) find P(A or B); 2NI | Intermediate | A-level | S1 | Related material |
| 3 | Given P(A), P(B) and P(A & B) find P(A or B); NI | Easy | A-level | S1 | Related material |
| 4 | Which event is independent of X; NI | Easy | A-level | S1 | Related material |