Skip to content
Try on iPad

Probabilities that sum to 1: Edexcel GCSE Maths questions

Every Edexcel GCSE Maths exam question on P4 Probabilities that sum to 1, 2017–2025, with its mark scheme and examiner’s report.

Find questions997
Exam
All years
Calculator

997 questions

  1. Q2

    June 2025 · Paper 1H

    5 marksP4 Probabilities that sum to 1A21 Forming and solving equations
    The whole paper ↗
    June 2025 Paper 1H, question 2: There are only red counters, white counters, blue counters and green counters in a bag. Chris is going to take at random a counter from the bag. The table shows

  2. Q2

    November 2024 · Paper 1H

    4 marksP4 Probabilities that sum to 1P2 Expected outcomes
    The whole paper ↗
    November 2024 Paper 1H, question 2: The table shows the probabilities that a biased dice will land on 3, on 4, on 5 and on 6 Number on dice 1 2 3 4 5 6 Probability 0.10 0.30 0.05 0.25 Karim assume

  3. Q4

    June 2024 · Paper 2H

    4 marksR5 Sharing in a ratioP4 Probabilities that sum to 1
    The whole paper ↗
    June 2024 Paper 2H, question 4: There are only red discs, blue discs and yellow discs in a bag. There are 24 yellow discs in the bag. Mel is going to take at random a disc from the bag. The pr

  4. Q11

    June 2022 · Paper 1H

    3 marksR5 Sharing in a ratioP4 Probabilities that sum to 1
    The whole paper ↗
    June 2022 Paper 1H, question 11: Cormac has some sweets in a bag. The sweets are lime flavoured or strawberry flavoured or orange flavoured. In the bag number of lime flavoured sweets : number

  5. Q6

    November 2021 · Paper 3H

    4 marksP4 Probabilities that sum to 1
    The whole paper ↗
    November 2021 Paper 3H, question 6: In a bag there are only red counters, blue counters, green counters and pink counters. A counter is going to be taken at random from the bag. The table shows th

  6. Q8

    November 2020 · Paper 3H

    3 marksP4 Probabilities that sum to 1P2 Expected outcomes
    The whole paper ↗
    November 2020 Paper 3H, question 8: There are some counters in a bag. The counters are blue or green or red or yellow. The table shows the probabilities that a counter taken at random from the bag

  7. Q1

    June 2019 · Paper 1H

    4 marksP4 Probabilities that sum to 1
    The whole paper ↗
    June 2019 Paper 1H, question 1: There are only blue cubes, red cubes and yellow cubes in a box. The table shows the probability of taking at random a blue cube from the box. Colour blue red ye

  8. Q22

    June 2019 · Paper 1H

    5 marksA21 Forming and solving equationsP4 Probabilities that sum to 1
    The whole paper ↗
    June 2019 Paper 1H, question 22: There are only Ured counters and g green counters in a bag. A counter is taken at random from the bag. The probability that the counter is green is 3 7 The cou

  9. Q16

    June 2018 · Paper 1H

    3 marksP4 Probabilities that sum to 1R5 Sharing in a ratio
    The whole paper ↗
    June 2018 Paper 1H, question 16: There are only red counters, blue counters and purple counters in a bag. The ratio of the number of red counters to the number of blue counters is 3 : 17 Sam ta

  10. Q6

    June 2018 · Paper 3H

    5 marksP4 Probabilities that sum to 1A21 Forming and solving equations
    The whole paper ↗
    June 2018 Paper 3H, question 6: There are some counters in a bag. The counters are red or white or blue or yellow. Bob is going to take at random a counter from the bag. The table shows each o

  11. Q4

    November 2017 · Paper 2H

    3 marksR4 Ratio notationP4 Probabilities that sum to 1
    The whole paper ↗
    November 2017 Paper 2H, question 4: is 3 marks)

  12. Q10

    November 2017 · Paper 3H

    3 marksP4 Probabilities that sum to 1
    The whole paper ↗
    November 2017 Paper 3H, question 10: There are only blue counters, yellow counters, green counters and red counters in a bag. A counter is taken at random from the bag. The table shows the probabil

  13. Q1

    June 2017 · Paper 2H

    3 marksP4 Probabilities that sum to 1P2 Expected outcomes
    The whole paper ↗
    June 2017 Paper 2H, question 1: The table shows the probabilities that a biased dice will land on 2, on 3, on 4, on 5 and on 6 Number on dice 1 2 3 4 5 6 Probability 0.17 0.18 0.09 0.15 0.1 Ne
All 13 questions on Probabilities that sum to 1, as a list
  1. June 2025, Paper 1H, Q2 (5 marks): There are only red counters, white counters, blue counters and green counters in a bag. Chris is going to take at random a counter from the bag. The table shows
  2. November 2024, Paper 1H, Q2 (4 marks): The table shows the probabilities that a biased dice will land on 3, on 4, on 5 and on 6 Number on dice 1 2 3 4 5 6 Probability 0.10 0.30 0.05 0.25 Karim assume
  3. June 2024, Paper 2H, Q4 (4 marks): There are only red discs, blue discs and yellow discs in a bag. There are 24 yellow discs in the bag. Mel is going to take at random a disc from the bag. The pr
  4. June 2022, Paper 1H, Q11 (3 marks): Cormac has some sweets in a bag. The sweets are lime flavoured or strawberry flavoured or orange flavoured. In the bag number of lime flavoured sweets : number
  5. November 2021, Paper 3H, Q6 (4 marks): In a bag there are only red counters, blue counters, green counters and pink counters. A counter is going to be taken at random from the bag. The table shows th
  6. November 2020, Paper 3H, Q8 (3 marks): There are some counters in a bag. The counters are blue or green or red or yellow. The table shows the probabilities that a counter taken at random from the bag
  7. June 2019, Paper 1H, Q1 (4 marks): There are only blue cubes, red cubes and yellow cubes in a box. The table shows the probability of taking at random a blue cube from the box. Colour blue red ye
  8. June 2019, Paper 1H, Q22 (5 marks): There are only Ured counters and g green counters in a bag. A counter is taken at random from the bag. The probability that the counter is green is 3 7 The cou
  9. June 2018, Paper 1H, Q16 (3 marks): There are only red counters, blue counters and purple counters in a bag. The ratio of the number of red counters to the number of blue counters is 3 : 17 Sam ta
  10. June 2018, Paper 3H, Q6 (5 marks): There are some counters in a bag. The counters are red or white or blue or yellow. Bob is going to take at random a counter from the bag. The table shows each o
  11. November 2017, Paper 2H, Q4 (3 marks): is 3 marks)
  12. November 2017, Paper 3H, Q10 (3 marks): There are only blue counters, yellow counters, green counters and red counters in a bag. A counter is taken at random from the bag. The table shows the probabil
  13. June 2017, Paper 2H, Q1 (3 marks): The table shows the probabilities that a biased dice will land on 2, on 3, on 4, on 5 and on 6 Number on dice 1 2 3 4 5 6 Probability 0.17 0.18 0.09 0.15 0.1 Ne

Questions, mark schemes and examiner’s reports are © Pearson Edexcel, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Every Edexcel GCSE Maths paper.

Rather write your answers by hand on iPad? Plumi marks them against the same mark schemes.