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Sample Spaces and Probability

Total questions: 15

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

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?

a)

2/18

b)

1/9

c)

2/20

d)

1/10

2.
The chart below represents the number of marbles in a jar.
P(green) = 
a)
5/19
b)
10/28
c)
5/14
d)
17/38
3.

Tree Diagram

a)

A written list of all possible outcomes

b)

A description of all possible outcomes

c)

A drawing with branches of all possible outcomes

4.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
5.
What is the probability of getting any letter that is not A?
a)
6/8
b)
3/4
c)
2/8
d)
1/4
6.
You pick a marble from this bag.
What is the probability you will choose either a black or a white marble?
*remember to simplify* 
a)
3/5
b)
4/10
c)
3/10
d)
6/10
7.
A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?
a)
30%
b)
3/9
c)
1/4
d)
25%
8.
P(not A) = 
a)
6/8
b)
3/4
c)
2/8
d)
1/4
9.
The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?
a)
½
b)
c)
¾
d)
10.
100% chance of something happening
a)
Uncertain
b)
Impossible
c)
Possible
d)
Certain
11.

What is the probability of spinning an even number?

a)

16 2/3%

b)

33 1/3%

c)

50%

d)

75%

12.

Find the probability of rolling greater than a 1 on a single die.

a)

6/6

b)

5/6

c)

4/6

d)

1/6

13.

Find the probability of not rolling a 2 on a single die.

a)

1/6

b)

2/6

c)

5/6

d)

2

14.

Determine whether the event is impossible, unlikely, as likely as not, likely, or certain. You flip a fair coin and the coin will land heads up.

a)

impossible

b)

unlikely

c)

as likely as not

d)

likely

15.

Find the experimental probability:

Roll dice: 1, 3, 3, 4, 4

P(1) =

a)

3/5

b)

1/6

c)

2/5

d)

1/5