Words to symbols
A standard method from More about probability: the steps.
Steps
| Words | Symbol |
|---|---|
| A or B (or both) | A ∪ B |
| A and B | A ∩ B |
| not A | A′ |
| A given B | A | B |
For the whole topic, read More about probability: key points, common mistakes and how the DSE tests it.