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Unit 6

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

What is the probability that you choose blue? *simplify

5 green

6 yellow

8 blue

7 brown

a)

8/26

b)

4/13

c)

8/25

d)

1/3

2.

What is the probability of spinning a 2 on the spinner?

a)

1/2

b)

1/3

c)

1/8

d)

1/4

3.

What is the probability the spinner stops on yellow?

a)

.05

b)

50%

c)

25%

d)

3/8

4.

What is the probability of spinning an even number?

a)

16 2/3%

b)

33 1/3%

c)

50%

d)

75%

5.
Probability can be written as a 
a)
fraction
b)
decimal
c)
percent
d)
all of the above
6.
A die is rolled. What is the probability that the result is less than 3 ?
a)
1/2
b)
1/3
c)
1/4
d)
1/6
7.

What is the probability of spinning a 2 on the spinner?

a)

1/2

b)

1/3

c)

1/8

d)

1/4

8.

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

a)

5/11

b)

5/6

c)

1/3

d)

5

9.
Dustin has a spinner that is divided into
5 equal-size sections colored red, blue, orange, white, and green. What is the probability that Dustin spins pink on the next spin?
a)
0
b)
0.25
c)
0.5
d)
0.75
10.
Scarlett selects a card at random from a deck that contains 18 red, 12 yellow, and 20 blue cards. What is the probability that she does not select a red card?
a)
13/25
b)
16/25
c)
18/25
d)
24/25
11.
Find the theoretical probability of NOT landing on yellow if you spin the spinner.
a)
1/8
b)
7/8
c)
1
d)
7
12.
Find the theoretical probability of landing on black if you spin the spinner.
a)
0%
b)
100%
c)
50%
d)
25%
13.
Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(3) = 
a)
3/5
b)
1/6
c)
2/5
d)
1/3
14.

There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?

a)

1/13

b)

1/52

c)

1/2

d)

12/13

15.

Ariana's Office Supply shop sells 2 types of notebooks. Each notebook is offered in red, blue, or yellow. If a notebook is selected at random, how many different possibilities are in the sample space?

a)

4

b)

6

c)

8

d)

16

16.

Brooke has a box of crayons. 45 are yellow, 12 are green, 25 are blue, and 7 are red. If Brooke selects a crayon at random, which color crayon would she be most likely to select?

a)

yellow

b)

green

c)

blue

d)

red

17.

If the probability of an event is 0.99, which of the following best describes the event?

a)

The event will never occur

b)

There is a small chance that the event will occur

c)

The event is likely to occur

d)

The event will definitely occur

18.
A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?
a)
Independent
b)
Dependent
19.
Two marbles are drawn from a container in such a way that the first marble drawn is replaced before selecting the second marble. Does the outcome of the first draw affect the outcome of the second?
a)
Yes
b)
No
20.
There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?
a)
2/5
b)
1/21
c)
4/25
d)
1/7