Paper 2 · Probability
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Lesson 2 of 9
Probability 2 Mutually Exclusive and Not-Mutually Exclusive events
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- Read set notation fluently: A∪B, A∩B, AB, A′ and #A
- Use P(A∪B) = P(A) + P(B) for mutually exclusive events
- Use P(A∪B) = P(A) + P(B) − P(A∩B) when events can happen together
- Solve Venn-diagram problems by labelling the intersection X and using total = 1
Most recent exam questions
- 2025 P2 Q3(a)(i) — deferred
- 2025 P2 Q3(a)(ii)
- 2025 P2 Q3(b)(i) — deferred
- 2024 P2 Q2(b)
- 2024 P2 Q2(c)
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