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Probability of an Event

Total questions: 12

Worksheet time: 12mins

Name
Class
Date
1.

Name a type of model that shows the sample space

a)

stem and leaf plot

b)

line graph

c)

tree diagram

d)

box plot

2.

A good way to organize outcomes for compound events would be..

a)

An outcome table

b)

box plot

c)

line graph

d)

put them in a hat and draw

3.

Shannon has a bag of jelly beans. She removed on jelly bean, recording the color, and then replaced it. She repeated the process several times and record her results in the table. What is the experimental probability of her selecting a red jelly bean?

a)

11/33

b)

1/3

c)

11/44

d)

18/26

4.

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red? Write it in simplest form. 

a)

3/10

b)

3/9

c)

1/9

d)

1/3

5.

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy? Write in simplest form. 

a)

2/18

b)

1/9

c)

2/20

d)

1/10

6.

A spinner has 8 sections: 2 purple, 2 yellow, 3 blue, and 1 red.
What is the probability of spinning and landing on a color that is not yellow?

a)

P(not yellow) = 6/8

b)

P(not yellow) = 2/8

c)

P(not yellow) = 6

7.

A spinner has 8 sections: 2 purple, 2 yellow, 3 blue, and 1 red.
What is the probability of spinning and landing on a blue or purple section?

a)

P(blue or purple) = 2/8

b)

P(blue or purple) = 3

c)

P(blue or purple) = 5/8

8.

An amusement park has 18 attractions, including 8 arcades.
What is the probability that a randomly selected attraction at this amusement park will be an arcade?

a)

8/18

b)

4/9

c)

44%

d)

All of the above

9.

P(not A) = 
*Remember to simplify.*

a)

6/8

b)

3/4

c)

2/8

d)

1/4

10.

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

a)

3

b)

1/10

c)

3/10

d)

30%

11.

What is the probability of spinning the spinner and landing on 7?

a)

6/8

b)

1/8

c)

7/8

d)

8/8

12.

What is the probability of spinning the spinner and landing on a number?

a)

1/2

b)

0

c)

5/8

d)

1