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IB Mathematics: Applications and Interpretation HL · 13.4: Hypothesis Testing · 13.4.21

Exam question practice Problem set B Answers

Skills

    1. (a) 0.159
    2. (b) 0.0252

  2. 0.205

    1. (a) 3.57
    2. (b) 0.63

In context

    1. (a) H0: μ = 3.4, H1: μ > 3.4
    2. (b) \(\bar X > 3.62\)
    1. (a) 0.640

Stretch

    1. (a) 0.159
    2. (b) 0.205
    3. (c) H0: μ = 3.4, H1: μ > 3.4
    4. (d) \(\bar X > 3.62\)
    5. (e) mean 3.57, standard deviation 0.63
    6. (f) 0.640

jmaths.xyz · AI HL · 13.4.21 Exam question: sums of normals, a test for a mean and Type II error