1.
An arrangement in which order is not important is a(n) ________.
A.
permutation
B.
combination
C.
factorial
D.
outcome
Hint
2.
An art gallery has 10 paintings to display. Six of the paintings are to be used for a new exhibit. Is this situation a permutation or combination? How many choices of paintings are possible?
A.
permutation; 151,200
B.
combination; 210
C.
combination; 151,200
D.
permutation; 210
Hint
3.
While at a local video rental store, 5 movies catch your eye, but you only want to rent 2. How many combinations are there?
A.
10
B.
20
C.
5
D.
2
Hint
4.
Which situation is a permutation?
A.
The number of ways each person can shake hands with the other 11 people in the room.
B.
The number of games it would take to start 5 different basketball players from a team of 10.
C.
The number of ways you can choose 3 hot dog toppings from a total of 5.
D.
The number of ways 8 students can finish first, second, or third place at the Math Olympiad.
Hint
5.
Ten students are playing in a chess tournament. If each student plays every other student once, how many total games are played?
A.
120
B.
45
C.
90
D.
30
Hint