Chapter 9 Probability Worksheet Page 8
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489-2
Sample Spaces
MAIN IDEA
Here is a probability game for two players.
Find sample spaces and
probabilities.
• Place two green marbles into Bag A. Place one green and one red
marble into Bag B.
New Vocabulary
• Without looking, player 1 chooses a marble from each bag. If both
sample space
marbles are the same color, player 1 wins a point. If the marbles are
tree diagram
different colors, player 2 wins a point. Record your results and
place the marbles back in the bag.
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• Player 2 then pulls a marble from each bag and records the results.
Continue alternating turns until each player has pulled from the
• Extra Examples
bag 10 times. The player with the most points wins.
• Personal Tutor
• Self-Check Quiz
Make a conjecture. Do you think this is a fair game? Explain.
1.
Now, play the game. Who won? What was the final score?
2.
The set of all of the possible outcomes in a probability experiment is
called the sample space. A table or grid can be used to list the outcomes
in the sample space.
Find the Sample Space
1
ICE CREAM
A vendor sells vanilla and chocolate ice cream.
Customers can choose from a waffle or sugar cone and either hot
fudge or caramel topping. Find the sample space for all possible
orders of one scoop of ice cream in a cone with one topping.
Make a table that shows all of the possible outcomes.
Outcomes
Vanilla
Waffle
Hot Fudge
Vanilla
Waffle
Caramel
Vanilla
Sugar
Hot Fudge
Vanilla
Sugar
Caramel
Chocolate
Waffle
Hot Fudge
Chocolate
Waffle
Caramel
Chocolate
Sugar
Hot Fudge
Chocolate
Sugar
Caramel
PETS
The animal shelter has both male and female Labradors in
a.
yellow, brown, or black. Find the sample space for all possible
Labradors available at the shelter.
465
Lesson 9-2 Sample Spaces
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