Mathematics A-Level
Complement
What Complement means in Mathematics A-Level, as defined for AQA.
Definitions of Complement
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Reference: AQA
Written as ′ or bar notation, it follows from set logic and gives the complement rule P(A′) = 1 − P(A).
The event that an event does not occur, with probability P(A′)=1−P(A).
Topics that use Complement
- M: Probability (AQA A-Level)
- OT1: Mathematical argument, language and proof (AQA A-Level)
Related terms
- Intersection
- union
- addition rule
- Conditional probability
- conditional probability formula
- Critiquing assumptions
- Domain
- Effect on calculated probabilities
Using Complement in the exam
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