Page 82 - Probability Demystified

CHAPTER 4 The Multiplication Rules 71

3. What is the probability of selecting 4 spades from a deck of 52 cards if
each card is replaced before the next one is selected?
4
a.
13
1
b.
2561
1
c.
52
1
d.
13

4. A die is rolled five times. What is the probability of getting 5 twos?
1
a.
8
1
b.
4
1
c.
6
1
d.
32

5. A coin is tossed four times; what is the probability of getting 4 heads?
1
a.
2
1
b.
16
c. 1
1
d.
4

6. If 25% of U.S. prison inmates are not U.S. citizens, what is the
probability of randomly selecting three inmates who will not be
U.S. citizens?
a. 0.75
b. 0.421875
c. 0.015625
d. 0.225