Probability without replacement

1. 1.
   A fair die is rolled 3 times. What is the probability of getting at least one 6?
2. 2.
   A bag has 3 red and 5 blue counters. Two are taken out without replacement. What is the probability both are red?
3. 3.
   A bag has 2 red and 5 blue counters. Two are taken out without replacement. What is the probability they are different colours?
4. 4.
   A bag has 2 red and 3 blue counters. Two are taken out without replacement. What is the probability both are red?
5. 5.
   A bag has 2 red and 4 blue counters. Two are taken out without replacement. What is the probability they are different colours?
6. 6.
   A bag has 5 red and 4 blue counters. Two are taken out without replacement. What is the probability both are red?
7. 7.
   A bag has 2 red and 3 blue counters. Two are taken out without replacement. What is the probability they are different colours?
8. 8.
   A bag has 3 red and 2 blue counters. Two are taken out without replacement. What is the probability they are different colours?
9. 9.
   A bag has 5 red and 2 blue counters. Two are taken out without replacement. What is the probability they are different colours?
10. 10.
    A bag has 4 red and 4 blue counters. Two are taken out without replacement. What is the probability both are red?
11. 11.
    A bag has 2 red and 5 blue counters. Two are taken out without replacement. What is the probability both are red?
12. 12.
    A bag has 4 red and 3 blue counters. Two are taken out without replacement. What is the probability they are different colours?
13. 13.
    A bag has 3 red and 5 blue counters. Two are taken out without replacement. What is the probability they are different colours?
14. 14.
    A fair die is rolled 2 times. What is the probability of getting at least one 6?
15. 15.
    A bag has 2 red and 4 blue counters. Two are taken out without replacement. What is the probability both are red?
16. 16.
    A bag has 4 red and 4 blue counters. Two are taken out without replacement. What is the probability they are different colours?
17. 17.
    A bag has 5 red and 5 blue counters. Two are taken out without replacement. What is the probability both are red?
18. 18.
    A bag has 5 red and 2 blue counters. Two are taken out without replacement. What is the probability both are red?
19. 19.
    A bag has 5 red and 3 blue counters. Two are taken out without replacement. What is the probability both are red?
20. 20.
    A bag has 5 red and 5 blue counters. Two are taken out without replacement. What is the probability they are different colours?

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