Solve various problems that involve probability, using appropriate tools and strategies, including Venn and tree diagrams
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
A Venn diagram shows 6 students who like both reading and art, 9 who like only reading, and 4 who like only art. How many like reading in total?
📘 Worked solution
✓6+9 = 15.
And one from the hard end
A Venn diagram shows 5 items in the overlap of Events A and B, 10 items only in A, and 7 items only in B. How many total items are in A or B (or both)?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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