Course 2 • Chapter 9 Probability
NAME __________________________________________ DATE ____________ PERIOD _______
Lesson 3 Extra Practice
Probability of Compound Events
For each situation, find the sample space.
1. choosing an ice cream cone from waffle, plain, 2. choosing one math class from Algebra and
or sugar and a flavor of ice cream from Geometry and one foreign language class from
chocolate, vanilla, or strawberry French, Spanish, or Latin
waffle, chocolate Algebra, French
waffle, vanilla Algebra, Spanish
waffle, strawberry Algebra, Latin
plain, chocolate Geometry, French
plain, vanilla Geometry, Spanish
plain, strawberry Geometry, Latin
sugar, chocolate
sugar, vanilla
sugar, strawberry
3. making a sandwich from white, wheat, or 4. choosing a car that comes in white, black,
rye bread, cheddar or Swiss cheese, or red with standard or automatic
and ham, turkey, or roast beef transmission and with a 4-cylinder or
white, cheddar, ham 6-cylinder engine
white, cheddar, turkey white, standard, 4-cylinder
white, cheddar, roast beef white, standard, 6-cylinder
white, Swiss, ham white, automatic, 4-cylinder
white, Swiss, turkey white, automatic, 6-cylinder
white, Swiss, roast beef black, standard, 4-cylinder
wheat, cheddar, ham black, standard, 6-cylinder
wheat, cheddar, turkey black, automatic, 4-cylinder
wheat, cheddar, roast beef black, automatic, 6-cylinder
wheat, Swiss, ham red, standard, 4-cylinder
wheat, Swiss, turkey red, standard, 6-cylinder
wheat, Swiss, roast beef red, automatic, 4-cylinder
rye, cheddar, ham red, automatic, 6-cylinder
rye, cheddar, turkey
rye, cheddar, roast beef
rye, Swiss, ham
rye, Swiss, turkey
rye, Swiss, roast beef
For each situation, find the sample space. Then find the indicated
probability.
5. rolling 2 number cubes; P(rolling doubles)
1
6
6. tossing a penny twice; P(two tails)
1
4
1, 1; 1, 2; 1, 3; 1, 4; 1, 5; 1, 6 HH, HT, TH, TT
2, 1; 2, 2; 2, 3; 2, 4; 2, 5; 2, 6
3, 1; 3, 2; 3, 3; 3, 4; 3, 5; 3, 6
4, 1; 4, 2; 4, 3; 4, 4; 4, 5; 4, 6
5, 1; 5, 2; 5, 3; 5, 4; 5, 5; 5, 6
6, 1; 6, 2; 6, 3; 6, 4; 6, 5; 6, 6
7