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1 markSolving Probability Problems using Diagrams

CSEC Additional Mathematics · May/June 2009 · Paper 2 · Question 1(b)(ii)

In a class of 30 students, 17 are studying politics, 14 are studying economics and 10 are studying both of these subjects.

Find the number of students studying neither of these subjects.

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Other parts of this question

  1. 1(a)Express, in set notation, the set represented by the shaded region.[1 mark]
  2. 1(b)(i)Illustrate this information using a Venn diagram.[1 mark]
  3. 1(b)(iii)Find the number of students studying exactly one of these subjects.[1 mark]

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