union and intersection
What union and intersection means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of union and intersection
Check what you remember
Read the wording for your board, then hide it and explain union and intersection in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The union is everything in either set, while the intersection is only the overlap.
Topics that use union and intersection
- Probability (Pearson Edexcel GCSE)
Related terms
- bias
- Conditional probability
- Equally likely outcomes
- Event
- Expected frequencies
- Expected frequency
- expected outcomes
- Fair randomising device
Using union and intersection in the exam
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