iStarSign in

Math 8 · Unit 13: Probability · Cambridge Lower Secondary Maths Stage 8

13.1 Calculating probabilities

15 questions · e.g. A bag has 3 red, 5 blue, 2 green. P(blue)?

Practice

Questions

  1. 1. A bag has 3 red, 5 blue, 2 green. P(blue)?

    Check

  2. 2. A bag has 3 red, 5 blue and 2 green counters. What is P(not green)?

    Check

  3. 3. Two coins are tossed. P(one head and one tail)?

    Check

  4. 4. Two dice are rolled. How many outcomes are there?

    Check

  5. 5. Two fair dice are rolled. What is the probability of a total of 12?

    Check

  6. 6. Two fair dice are rolled. What is the probability of a total of 7?

    Check

  7. 7. P(rain) = 0.35. P(no rain)?

    Check

  8. 8. A spinner has P(red) = 0.2, P(blue) = 0.5. Only red, blue, green. P(green)?

    Check

  9. 9. A letter is chosen from PROBABILITY. P(B)?

    Check

  10. 10. A coin is tossed and a dice is rolled. How many outcomes are there?

    Check

  11. 11. A coin is tossed and a dice is rolled. What is P(head and a 6)?

    Check

  12. 12. Which can NOT be a probability?

    Check

  13. 13. Cards numbered 1–20. P(multiple of 5)?

    Check

  14. 14. Two fair dice are rolled. What is the probability of a double?

    Check

  15. 15. Mutually exclusive events …

    Check