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4MA1/2FR Jun 2018, Question 12: Probability with Venn Diagrams

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 5 marks

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The question, in short

Using the given Venn diagram with universal set and sets A and B, list members of specified sets and find a probability for a randomly picked number.

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

Part (ai) · 1 mark

List all members of set A from the Venn diagram.

  1. 1Identify all numbers inside set A: 2, 3, 4, 6, 7, 8

Answer2,3,4,6,7,8

Part (aii) · 1 mark

List the members in the intersection of A and B.

  1. 1Find numbers common to both A and B: 3 and 4

Answer3,4

Part (aiii) · 1 mark

List the members of the complement of A.

  1. 1Identify numbers not in set A: 1, 5, 9, 10

Answer1,5,9,10

Part (b) · 2 marks

Find the probability a randomly chosen universal set number is in B only.

  1. 1B but not A: 1, 5, 10
  2. 2The universal set has 10 numbers
  3. 3Probability = 3/10

Answer3/10

Stuck on a step? Read the free lesson: Probability with Venn Diagrams

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