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IB Mathematics: Applications and Interpretation HL · 13.1: Probability · 13.1.3

Tree diagrams and sample spaces Problem set B Answers

Skills

    1. (a) 0.28
    2. (b) 0.475
    1. (a) \(\frac{5}{18}\)
    2. (b) \(\frac{5}{9}\)
    1. (a) 0.18
    2. (b) 0.53
    3. (c) 0.29
    1. (a) \(\frac{4}{25}\)
    2. (b) \(\frac{3}{25}\)
    1. (a) \(\frac{1}{2}\)
    2. (b) \(\frac{3}{4}\)

  6. \(\frac{1}{3}\)

    1. (a) 4/81 (0.0494)
    2. (b) 28/81 (0.346)

In context

    1. (a) 0.026
    2. (b) 0.0575

  2. \(\frac{5}{18}\)

    1. (a) 0.432
    2. (b) 0.936

Stretch

  1. \(\frac{9}{14}\)

  2. \(\frac{7}{20}\)

jmaths.xyz · AI HL · 13.1.3 Tree diagrams and sample spaces