conditional probability formula
What conditional probability formula means in Mathematics A-Level, as defined for AQA, WJEC.
Definitions of conditional probability formula
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Reference: WJEC
Rearranges to P(A|B) = P(A ∩ B) / P(B), where the denominator is always the probability of the conditioning event B.
P(A|B) = P(A ∩ B) / P(B), which works when P(B) > 0.
Topics that use conditional probability formula
- M: Probability (AQA A-Level)
- Probability (A2 Unit 4: Applied Mathematics B) (WJEC A-Level)
Related terms
- Conditional probability
- Tree diagrams
- Two-way tables
- addition rule
- Complement
- Critiquing assumptions
- Effect on calculated probabilities
- evaluating assumptions
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