| No | Description | Difficulty | Syllabus | Level | |
|---|---|---|---|---|---|
| 1 | Find the standard deviation for stated X~B (n,p_decimal), Contextual; NI | Easy | A-level | S2 | Related material |
| 2 | Find the standard deviation for stated X~B (n,p_fraction), Contextual; NI | Easy | A-level | S2 | Related material |