SL 4.5—Probability basics Topic Practice
SL 4.5—Probability basics Topic Practice

IB Maths AI syllabusMaths AI SL/HLFirst assessment 2025
Students practise writing simple probabilities from Venn diagrams, two-way tables, or geometric sectors, including complements and basic event equivalence.
How this is tested
- state probability of an event using fraction form from a two-way table or Venn region count
- identify a complement event by selecting all outcomes outside the named set
0 selected