Sign in to jmaths to print this page or save it as a PDF: jmaths-8ce638778fd6.herokuapp.com/maths/ai-sl/probability/13-1-5/problems/

jmaths

IB Mathematics: Applications and Interpretation SL · 13.1: Probability · 13.1.5

Combined and mutually exclusive events Problem set A Answers

Skills

    1. (a) 0.35
    2. (b) 0.15
    1. (a) 0.6
    2. (b) 0.85
    1. (a) 0.45
    2. (b) 0.35
    1. (a) 0.42
    2. (b) \(\frac{13}{24}\)

  5. No: P(A ∩ B) = 0.05

In context

    1. (a) 0.52
    2. (b) 0.48
    1. (a) 0.14
    2. (b) 0.32
    1. (a) 0.75
    2. (b) 0.25
    1. (a) 0.6
    2. (b) 0.25

Stretch

    1. (a) x = 0.21
    2. (b) P(A) = 0.21, P(B) = 0.48
    1. (a) y = 0.25
    2. (b) P(B) = 0.43
    3. (c) Both give 0.75

jmaths.xyz · AI SL · 13.1.5 Combined events and mutually exclusive events