IB Maths AA SL 4.5 Probability basics Question Bank
Practise IB Mathematics SL/HL 4.5 by applying probability basics methods to exam-style questions.
- Syllabus
- First assessment 2021
- Course
- Mathematics: analysis and approaches SL
- Level
- SL
Exam points
- identify the mathematical structure, variable or representation
- select and apply the correct theorem, formula or algorithm
- check the result using units, domain, graph or logical reasoning
SL 4.5—Probability basics question 1
The following cumulative frequency graph shows the monthly income, I dollars, of 2000 families.
A family is chosen at random.
Find the probability that this family lives in an apartment.
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