1.
If you roll a number cube and then spin a 5-colored spinner with equal sections, how many outcomes are possible?
A.
5
B.
180
C.
11
D.
30
Hint
2.
What is the value of
P
(8, 4)?
A.
1680
B.
70
C.
6720
D.
26
Hint
3.
How many different six-letter patterns can be formed from the letters of the word
turkey
?
A.
30
B.
720
C.
120
D.
156
Hint
4.
How many four-letter patterns can be formed from the letters of the word
teen
if
t
must always be the first letter?
A.
6
B.
3
C.
12
D.
48
Hint
5.
A bag contains 2 yellow, 4 blue, and 3 white marbles. What is the probability that a marble selected at random will not be blue?
A.
B.
C.
D.
Hint
6.
An old circuit board with 7 computer chips contains 4 chips that are faulty. If 2 chips are pulled at random, find the probability that both chips are faulty.
A.
B.
C.
D.
Hint
7.
What is the probability that one card drawn from a standard deck of cards will be a king or a diamond?
A.
B.
C.
D.
Hint
8.
Sharon tossed three coins. What is the probability that she tossed exactly two tails, given that she tossed at least 1 tail?
A.
B.
C.
D.
Hint
9.
Raphael is conducting a survey of families with 2 children. If a family is selected at random, what is the probability that the family will have exactly 2 girls if the second child is a girl?
A.
B.
C.
D.
1
Hint
10.
Find the probability of randomly picking 3 kittens of which at least 2 are female kittens, from a group of 7 male kittens and 5 female kittens.
A.
B.
C.
D.
Hint
11.
A number cube is tossed four times. Find the probability that at least two 6s are tossed.
A.
0.1748
B.
0.1319
C.
0.0962
D.
0.1106
Hint
12.
The probability of tossing a tail on a bent coin is
. The coin is tossed 5 times. Find the probability of tossing exactly 3 tails.
A.
0.2906
B.
0.3114
C.
0.3292
D.
0.3028
Hint