Paper 2 · Probability
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Lesson 1 of 9
Probability 1 – JC Revision
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- Find probabilities as favourable outcomes over possible outcomes
- Draw tree diagrams and list sample spaces, counting outcomes with 2ⁿ and m × n
- Use the rule 'and means multiply, or means add' to combine events
- Work out expected value E = Σ(P × value) and use P(A) = 1 − P(not A)
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- 2025 P2 Q3(a)(i)
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- 2025 P2 Q9(a)(ii)
- 2024 P2 Q10(c)(i)
- 2024 P2 Q10(c)(ii)
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