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Conditional probability: AQA GCSE Maths questions

Every AQA GCSE Maths exam question on P9 Conditional probability, 2017–2025, with its mark scheme and examiner’s report.

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1,304 questions

  1. Q14

    November 2024 · Paper 3H

    6 marksP8 Combined events and tree diagramsP9 Conditional probability
    The whole paper ↗
    November 2024 Paper 3H, question 14: A test consists of two sections, A and B. • 85% of people pass section A. • 78% of people who pass section A also pass section B. • 36% of people who fail secti

  2. Q20

    November 2022 · Paper 3H

    5 marksP8 Combined events and tree diagramsP9 Conditional probability
    The whole paper ↗
    November 2022 Paper 3H, question 20: There should be a train leaving a station every hour from 7 am No trains leave early. P(the first train leaves on time) = 0.9 For all the other trains, if the p

  3. Q20

    November 2019 · Paper 1H

    4 marksP9 Conditional probabilityP6 Sets and Venn diagrams
    The whole paper ↗
    November 2019 Paper 1H, question 20: The Venn diagram shows information about some houses. G = houses with a garage S = houses with a shed A house is chosen at random. 20 (a) The house has a garage

  4. Q22

    June 2019 · Paper 3H

    2 marksP6 Sets and Venn diagramsP9 Conditional probability
    The whole paper ↗
    June 2019 Paper 3H, question 22: ξ = 29 students in a class C = students who own a cat D = students who own a dog 22 (a) A student is chosen at random. Circle the probability that the student o

  5. Q16

    November 2018 · Paper 3H

    4 marksP9 Conditional probability
    The whole paper ↗
    November 2018 Paper 3H, question 16: In a running club there are 50 females and 80 males. If a female is chosen at random, the probability she has blue eyes is 0.38 If a male is chosen at random, t

  6. Q25

    June 2018 · Paper 2H

    4 marksP9 Conditional probability
    The whole paper ↗
    June 2018 Paper 2H, question 25: The Venn diagram shows some information about 150 students. ξ = 150 students C = students who study Chemistry P = students who study Physics The probability tha

  7. Q14

    November 2017 · Paper 3H

    4 marksP6 Sets and Venn diagramsP9 Conditional probability
    The whole paper ↗
    November 2017 Paper 3H, question 14: In the Venn diagram ξ represents 31 students in a class C is students who have a cat D is students who have a dog 14 (a) One student from the class is picked at
All 7 questions on Conditional probability, as a list
  1. November 2024, Paper 3H, Q14 (6 marks): A test consists of two sections, A and B. • 85% of people pass section A. • 78% of people who pass section A also pass section B. • 36% of people who fail secti
  2. November 2022, Paper 3H, Q20 (5 marks): There should be a train leaving a station every hour from 7 am No trains leave early. P(the first train leaves on time) = 0.9 For all the other trains, if the p
  3. November 2019, Paper 1H, Q20 (4 marks): The Venn diagram shows information about some houses. G = houses with a garage S = houses with a shed A house is chosen at random. 20 (a) The house has a garage
  4. June 2019, Paper 3H, Q22 (2 marks): ξ = 29 students in a class C = students who own a cat D = students who own a dog 22 (a) A student is chosen at random. Circle the probability that the student o
  5. November 2018, Paper 3H, Q16 (4 marks): In a running club there are 50 females and 80 males. If a female is chosen at random, the probability she has blue eyes is 0.38 If a male is chosen at random, t
  6. June 2018, Paper 2H, Q25 (4 marks): The Venn diagram shows some information about 150 students. ξ = 150 students C = students who study Chemistry P = students who study Physics The probability tha
  7. November 2017, Paper 3H, Q14 (4 marks): In the Venn diagram ξ represents 31 students in a class C is students who have a cat D is students who have a dog 14 (a) One student from the class is picked at

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