4024/12 May/Jun 2021, Question 7: Basic Probability
Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
A bag holds counters of four colours with a partly filled probability table; work out the missing probability for blue and complete the table.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 10.15 + 0.3 + 0.42 = 0.87
- 2Blue = 1 − 0.87 = 0.13
Answer0.13
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