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4MA1/1F Jun 2022, Question 10: Basic Probability

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 3 marks

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The question, in short

From 20 boats coloured 2 white, 5 blue, 7 green and 6 yellow, Anjali picks one at random; find the stated probabilities.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (i) · 1 mark

Find the probability that the randomly chosen boat is green.

  1. 17 green boats out of 20 total boats
  2. 27 / 20 = 7/20

Answer7/20

Part (ii) · 2 marks

Find the probability that the randomly chosen boat is white or yellow.

  1. 12 white boats and 6 yellow boats
  2. 22 + 6 = 8
  3. 38 / 20 = 8/20

Answer8/20

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