Page 175 - Math Course 1 (Book 2)
P. 175
Permutations and Combinations
Real World Example
Your Turn!
VOLLEYBALL
Use a Permutation The teams listed are playing in a volleyball
tournament. If each team plays every other team
TRACK AND FIELD once, what is the probability that the Lions play in
How many ways can f ve runners be arranged on a the f rst game?
three-person relay team?
Huskers Broncos
A. 10 Gators Waves
B. 30 Cougars Red Storm
C. 60 Wild Cats Lions
D. 120
Badgers Bearcats
Answer 1
A.
90
How many six-digit numbers can be made from
the digits 1, 2, 3, 4, 5, and 6 if each digit is used only B. 1
once? 45
1
A. 6 C. 10
B. 720
C. 7776 1
D. 46,656 D. 5
Answer
Answer
Use a Combination
BOOKS
How many ways can two shirts be selected from a
display having a red shirt, a blue shirt, a green shirt,
and a white shirt?
A. 4
B. 6
C. 12
D. 24
Answer
SHIRTS
How many ways can a student select 2 books from
a bookshelf containing a mystery, a biography, a
non-f ction book, a fantasy book, and a novel?
A. 10
B. 20
C. 60
D. 120
Answer
167
