Solve various problems that involve probability, using appropriate tools and strategies, including Venn and tree diagrams
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
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
"In a bag of 20 marbles (12 red, 8 blue), you draw one, record its color, then draw a second without replacement. Using a tree diagram, find the probability of drawing 2 different colored marbles (either order)."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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