0580/11 Oct/Nov 2021, Question 17: Relative Frequency and Expectation
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 3 marks
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The question, in short
A table gives relative frequency 0.1 for games won; lost games are twice drawn games. Work out the missing relative frequencies and complete the table.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1Relative frequencies add to 1: lost + drawn = 1 − 0.1 = 0.9
- 2Lost = 2 × drawn, so 3 × drawn = 0.9
- 3Drawn = 0.3, lost = 0.6
Answer| lost | drawn | | 0.6 | 0.3 |
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