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Free Year 11 Statistics & Probability Worksheets

1 free statistics & probability resources for Year 11: 1 study guide. Answers included.

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Data, graphs, averages and chance. In Year 11, Year 11 is the first year of senior study.

Students will practise: applying the addition rule and the complement to find probabilities; drawing tree diagrams for events with and without replacement and multiplying along branches; calculating conditional probabilities using P(A | B) = P(A ∩ B) ÷ P(B); testing whether two events are independent.

Study Guides

Clear explanations, examples and tips.

  • Study Guide

    Probability: Tree Diagrams and Conditional Probability

    An HSC/VCE-style study guide to multi-stage probability: the addition and multiplication rules, tree diagrams with and without…

    Difficulty
    Level 2 · Standard
    Time
    25 min

Common questions

What do Year 11 students learn about statistics & probability?

Data, graphs, averages and chance. At Year 11, our resources focus on: applying the addition rule and the complement to find probabilities; drawing tree diagrams for events with and without replacement and multiplying along branches; calculating conditional probabilities using P(A | B) = P(A ∩ B) ÷ P(B); testing whether two events are independent.

Where should we start?

Read the study guide first, then start with the Level 1 or Level 2 worksheet. Finish with the topic test.

Are answers included?

Yes — every worksheet has an answer sheet. Maths answer sheets show the working; English tasks include model answers or success criteria.

How to use these resources

  1. Start with the Level 1 worksheet for the topic — if it's easy, move up a level.
  2. Use the answer sheet's working, not just the final answer, to check the method.
  3. Finish a topic with the topic test to see whether the skill is secure.
  4. Two or three short sessions a week beat one long one.

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