← 3.2 Probability II

Tree diagrams and a changed chance

Mathematics · Grade 11 · about 40 minutes

Multiply along the branches of a without-replacement tree, add the paths that match the question, and read a second-branch probability as a given.

Sign in to read this lesson

Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

  • 8 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
Sign in Create an account