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

Probability 9 – Relative frequency and Expected value

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You’ll learn

  • Find the probability of winning a game of chance by combining compound events
  • Compute the expected payout E = Σ(probability × value)
  • Work out an operator's profit per play as charge − E, then scale over N plays

Most recent exam questions

  • 2026 P2 Q10(c)(i)
  • 2026 P2 Q10(c)(ii)
  • 2025 P2 Q10(e)
  • 2025 P2 Q2(b)(i) — deferred
  • 2024 P2 Q2(a)

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