4MA1/2H Jun 2023, Question 2: Relative Frequency and Expectation
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 3 marks
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The question, in short
Use the given probabilities for green, yellow and brown on a biased spinner, spun 200 times, to estimate how many spins land on pink.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 10.32 + 0.13 + 0.28 = 0.73
- 21 − 0.73 = 0.27
- 30.27 × 200 = 54
Answer54
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