0580/12 May/Jun 2024, Question 24: Basic Probability
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 2 marks
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The question, in short
In a class of 30 students, 13 travel by bus. Using this proportion, find the expected number of bus travellers among 570 students in the school.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1Probability of bus = 13/30
- 2Expected number = 13/30 × 570 = 247
Answer247
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