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Common Core HSS.CP.A.2 worksheet

High school · 16 questions · Common Core: HSS.CP.A.2, HSS.CP.B.7, HSS.CP.B.8 · England: GCSE Foundation Probability, GCSE Higher Probability

Name

Date

Score/ 16

  1. Question 1

    A bag has 7 red and 2 blue counters. Two are taken out without replacement. Find P(both red) as a fraction in simplest form.

    Answer(as a fraction)

  2. Question 2

    A playlist has 4 pop songs and 2 rock songs. Two different songs are picked at random. Find P(one of each type) as a fraction in simplest form.

    Answer(as a fraction)

  3. Question 3

    In a class of 15, 4 play guitar, 11 play piano and 2 play both. One student is chosen at random. What is the probability they play both? Simplest form.

    Answer(as a fraction)

  4. Question 4

    A box has 3 vanilla and 7 chocolate biscuits. Two are eaten at random. Find P(at least one chocolate) as a fraction in simplest form.

    Answer(as a fraction)

  5. Question 5

    A bag has 3 red and 2 blue counters. Two are taken without replacement. What is the probability both are red? Give a fraction in simplest form.

    Answer(as a fraction)

  6. Question 6

    A bag has 6 red and 7 blue counters. Two are taken out without replacement. Find P(both red) as a fraction in simplest form.

    Answer(as a fraction)

  7. Question 7

    A playlist has 4 pop songs and 6 rock songs. Two different songs are picked at random. Find P(one of each type) as a fraction in simplest form.

    Answer(as a fraction)

  8. Question 8

    In a class of 33, 9 play guitar, 21 play piano and 7 play both. One student is chosen at random. What is the probability they play both? Simplest form.

    Answer(as a fraction)

  9. Question 9

    A box has 7 vanilla and 2 chocolate biscuits. Two are eaten at random. Find P(at least one chocolate) as a fraction in simplest form.

    Answer(as a fraction)

  10. Question 10

    A bag has 2 red and 2 blue counters. Two are taken with replacement. What is the probability both are red? Give a fraction in simplest form.

    Answer(as a fraction)

  11. Question 11

    A bag has 8 red and 7 blue counters. Two are taken out without replacement. Find P(both red) as a fraction in simplest form.

    Answer(as a fraction)

  12. Question 12

    A playlist has 8 pop songs and 8 rock songs. Two different songs are picked at random. Find P(one of each type) as a fraction in simplest form.

    Answer(as a fraction)

  13. Question 13

    In a class of 24, 10 play guitar, 11 play piano and 5 play both. One student is chosen at random. What is the probability they play both? Simplest form.

    Answer(as a fraction)

  14. Question 14

    A box has 6 vanilla and 5 chocolate biscuits. Two are eaten at random. Find P(at least one chocolate) as a fraction in simplest form.

    Answer(as a fraction)

  15. Question 15

    A bag has 5 red and 3 blue counters. Two are taken without replacement. What is the probability both are red? Give a fraction in simplest form.

    Answer(as a fraction)

  16. Question 16

    A bag has 3 red and 7 blue counters. Two are taken out without replacement. Find P(both red) as a fraction in simplest form.

    Answer(as a fraction)

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Answer key: Common Core HSS.CP.A.2 worksheet

  1. 1. 7/12

  2. 2. 8/15

  3. 3. 2/15

  4. 4. 14/15

  5. 5. 3/10

  6. 6. 5/26

  7. 7. 8/15

  8. 8. 7/33

  9. 9. 5/12

  10. 10. 1/4

  11. 11. 4/15

  12. 12. 8/15

  13. 13. 5/24

  14. 14. 8/11

  15. 15. 5/14

  16. 16. 1/15

HSS.CP.A.2 Worksheet: Tree diagrams and Venn diagrams | Eurekami