1. Probability Review Answers

2. Probability
MULTIPLE CHOICE:
­ calculators are not allowed for this part of the test.
­ each question is worth one mark.
1.

3. 2.

4. 3.

5. 4.

6. 5.

7. 6.

8. 7. If one number is to be selected from each list below, what is the probability
that each number selected will be a 5 or more?
List I List II
2, 4, 6 3, 5, 6
a. 1 b. 2 c. 3 d. 7
9 9 9 9

9. 8.
3 and P(A and B) = 1 , where A and B are dependent events, then P(B A) is:
If P(A) = 2
4
a. 1 b. 3 c. 2 d. 4
4 8 3 5

10. 9.

11. 10.

12. SHORT ANSWER:
­ Calculators are not allowed for this part of the test.
­ Each question is worth one mark.
1.

13. 2.

14. 3.

15. 4.

16. 5.

17. 6.

18. 7.

19. 8.

20. 9.

21. LONG ANSWER:
­ Calculators are not allowed for this part of the test.
­ Marks are indicated for each question.
1.

23. 2.

25. 3.

28. LONG ANSWER:
­ Calculators are allowed for this part of the test
­ Marks are indicated for each question.
1.

30. b)

32. 2.

33. 3.

35. 4.

36. 5.

38. 6.

41. 7.

43. 8.

45. 9.

46. 10.

49. 11.

52. 12.

54. 13.

56. 14.

57. 15.