Paper 2 · Probability ⏱ Tested in 5+ recent exam questions Lesson 3 of 9

Probability 3 – Independent events and Conditional probability

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You’ll learn

  • Use the multiplication rule P(A∩B) = P(A) × P(B) for independent events
  • Find conditional probabilities with P(A|B) = P(A∩B)/P(B)
  • Test independence by computing P(A∩B) and P(A)·P(B) separately and comparing
  • Tell independent events apart from mutually exclusive events

Most recent exam questions

  • 2025 P2 Q2(b)(ii) — deferred
  • 2025 P2 Q3(a)(iii)
  • 2025 P2 Q3(b)
  • 2025 P2 Q3(b)(ii) — deferred
  • 2025 P2 Q3(c) — deferred

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