Page 242 - Probability Demystified

FINAL EXAM 231

9. When two dice are rolled, the probability of getting a sum of 8 is
5
a.
36
1
b.
6
8
c.
36
d. 0

10. A Gallup poll found that 78% of Americans worry about the quality
and healthfulness of their diets. If three people are selected at ran-
dom, the probability that all three will worry about the healthfulness
and quality of their diets is
a. 2.34
b. 0.78
c. 0.22
d. 0.47
11. When a die is rolled, the probability of getting a number less than 5 is
5
a.
36
1
b.
3
2
c.
3
5
d.
6

12. When a card is drawn from a deck of 52 cards, the probability of
getting a heart is
1
a.
13
1
b.
2
1
c.
4
5
d.
52