Chapter 9 Probability Worksheet Page 12
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48UNIFORMS
For Exercises 21 and 22, use the information below.
The University of Oregon’s football team
has many different uniforms. The coach
can choose from four colors of jerseys and
pants: green, yellow, white, and black.
There are three helmet options: green,
white, and yellow. Also, there are four
colors of socks and two colors of shoes.
How many jersey/pant combinations
21.
are there?
If the coach picks a jersey/pant
22.
combination at random, what is the
probability he will pick a yellow jersey with green pants?
RESEARCH
Use the Internet or another resource to find the number of
23.
jerseys and pants your favorite college or professional sports team has as
EXTRA
part of its uniform. How many jersey/pants combinations are there for the
See pages 691, 712.
team you chose?
H.O.T.
Problems
CHALLENGE
Refer to Exercise 20. A fair game is one in which each player
24.
has an equal chance of winning. Adjust the scoring of the game so that
it is fair.
SELECT A TOOL
Mei wants to determine the probability of guessing correctly
25.
on two true-false questions on her history test. Which of the following tools
might Mei use to determine the probability of answering both questions
correctly by guessing? Justify your selection(s). Then use the tool(s) to solve
the problem.
draw a model
calculator
real objects
FIND THE ERROR
Rhonda and Elise are finding all the possible unique
26.
outcomes of rolling an even number on a number cube and landing
on A or B on the spinner shown. Who is correct? Explain your reasoning.
Rhonda
Elise
Outcomes
Outcomes
Number
Number
Spinner
Spinner
A
B
Cube
Cube
2
A
2
A
C
2
B
2
B
4
C
4
A
4
A
4
B
6
B
6
A
6
C
6
B
MATH
Describe a game between two players using one coin
27.
in which each player has an equal chance of winning.
469
Lesson 9-2 Sample Spaces
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