0580/22 May/Jun 2021, Question 1: Basic Probability
Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Calculator · 2 marks
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The question, in short
Jane's chance of winning a game is 7/10. Work out the chance she fails to win, and how many wins to expect across 50 games.
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Part (a) · 1 mark
Work out the chance that Jane fails to win the game.
- 1P(not win) = 1 − 7/10
- 2= 3/10
Answer3/10
Part (b) · 1 mark
Work out how many wins Jane should expect when she plays 50 games.
- 1Expected wins = 7/10 × 50
- 2= 35
Answer35
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Also searched as: 0580/22/M/J/21 · 0580_s21_qp_22 · 0580 s21 22 · question 1.
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