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IB Mathematics: Applications and Interpretation SL · 13.1: Probability · 13.1.2

Venn diagrams for probability Problem set B Answers

Skills

    1. (a) \(\frac{11}{30}\)
    2. (b) \(\frac{4}{15}\)

  2. \(\frac{7}{45}\)

    1. (a) \(\frac{9}{20}\)
    2. (b) \(\frac{19}{60}\)
    3. (c) \(\frac{1}{5}\)
    1. (a) 27
    2. (b) \(\frac{9}{22}\)

In context

    1. (a) Only daily: 53; both: 31; only weekly: 34; neither: 32
    2. (b) \(\frac{16}{75}\)
    3. (c) \(\frac{29}{50}\)

  2. 0.479

Stretch

    1. (a) 0.2
    2. (b) 0.5

  2. \(\frac{43}{90}\)

jmaths.xyz · AI SL · 13.1.2 Venn diagrams for probability