4MA1/2FR Jun 2019, Question 21: Basic Probability
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 3 marks
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The question, in short
Given probabilities for banana 0.35, strawberry 0.32 and chocolate 0.12, find the probability the lolly is either strawberry or mint.
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Solution · 3 marks
- 1P(mint) = 1 − (0.35 + 0.32 + 0.12)
- 2P(mint) = 1 − 0.79 = 0.21
- 3P(strawberry or mint) = 0.32 + 0.21 = 0.53
Answer0.53
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