Mathematics A-Level
set intersections
What set intersections means in Mathematics A-Level, as defined for WJEC.
Definition of set intersections
Check what you remember
Read the wording for your board, then hide it and explain set intersections in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
The region where events overlap, such as A ∩ B, which is entered first when populating a diagram.
Topics that use set intersections
- Probability (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- addition rule
- Independent events
- multiplication rule
- mutually exclusive events
- Venn diagrams
- continuous probability density
- discrete probability mass
- point probabilities
Using set intersections in the exam
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