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2 Unit AS 2: Applied Mathematics

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Question 89

In a survey of 100 people, 54 use service A, 48 use service B and 37 use service C. Twenty use both A and B, 18 use both A and C, 15 use both B and C, and 8 use all three.

a.

Find the number who use at least one service.

[2]
b.

Find the number who use exactly one service.

[3]
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2 Unit AS 2: Applied Mathematics Questions

  1. A Level
  2. /Maths
  3. /2 Unit AS 2: Applied Mathematics

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