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Probability Review

Total questions: 34

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
Ben has a basket of 5 red balls, 3 yellow balls, and 2 green balls. What is the probability that the probability he randomly chooses will be red?
a)
1/2
b)
1/5
c)
1/10
d)
5/8
2.
A spinner is spun and the results are shown in the chart. 
Which of the following statements is true about the probability of spinning a blue?
a)
The experimental probability and theoretical probability are equal.
b)
The experimental probability is less than the theoretical probability.
c)
The experimental probability is greater than the theoretical probability.
d)
The experimental probability cannot be determined from the data.
3.
Look at the dartboard. 
A boy is playing darts with his friends. What is the probability that his dart will land in an unshaded square?
a)
12/25
b)
13/25
c)
10/25
d)
11/25
4.
What is the probability of getting any letter that is not A?
a)
6/8
b)
3/4
c)
2/8
d)
1/4
5.
Which color marble is least likely to be pulled from the jar?
a)
Green 
b)
Red
c)
Blue
6.
P(not A) = 
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
7.

What is the P( not purple) on this spinner?

a)

2/5

b)

1/5

c)

4/5

d)

3/5

8.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
9.

What is the probability of flipping a coin

2 times and getting 2 heads?

a)

1/8

b)

1/4

c)

1/2

d)

3/4

10.

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?

a)

1/12

b)

1/4

c)

1/8

d)

1/2

11.

The theoretical probability of rolling an even number on a dice.

a)

3/6

b)

1/2

c)

1/6

d)

5/6

12.
  Which of the following describes theoretical probability?
a)
a.  Perform an experiment to determine the probability
b)
a.      Determining the expected probability of an event
c)
a.  Perform a simulation and count the number of possible outcomes
d)
a.  Use trials to count the number of desired outcomes
13.
Experimental Probability is:
a)
What Will happen 
b)
What actually happens
c)
What should happen
d)
What I think Happens
14.
On a 6-sided die, which is more likely?
a)
Rolling an odd number
b)
Rolling an even number
c)
They are both equally likely.
d)
Neither because 1 is not a prime number
15.

A coin is tossed 18 times. It lands on heads 12 times. What is the experimental probability of the coin landing on tails? reduce the fraction!

a)
b)
c)
16.

What is the theoretical probability of the spinner landing on a 5?

a)
b)
c)
d)
17.
Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?
a)
1 ⁄ 16
b)
1 ⁄ 2
c)
1 ⁄ 4
d)
1 ⁄ 8
18.

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble?

a)

37×37\frac{3}{7}\times\frac{3}{7}  

b)

47×47\frac{4}{7}\times\frac{4}{7}  

c)

47×36\frac{4}{7}\times\frac{3}{6}  

d)

47×37\frac{4}{7}\times\frac{3}{7}  

19.
How do you find compound probability?
a)
Multiply your probabilities
b)
Add your probabilities
c)
Divide your probabilities
d)
Subtract your probabilities
20.

What is the probability of spinning an even number?

a)

3/50

b)

3/100

c)

1/2

d)

3/4

21.
What is the probability of spinning a prime number? 
a)
1/2
b)
2/3
c)
1/6
d)
0
22.
Find the probability of rolling a 7 on a single die.
a)
1/6
b)
7/6
c)
0
d)
7/7
23.
Probability can be between what two numbers?
a)
10 and 20
b)
0 and 100
c)
0 and 1
d)
All Numbers are possible
24.
What is the probability of spinning red?
a)
0
b)
1/2
c)
3/4
d)
1
25.
P(even) stands for
a)
Probability of rolling an even number
b)
Probability of rolling an odd number 
c)
Probability of not rolling an even number
d)
Probability of not rolling an odd number 
26.

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter that is not “A”?

a)

2/7

b)

5/7

c)

5/49

d)

10/49

27.

You have a 3 tops, 2 pants and 2 shoes. How many total outfit options are represented?

a)

12 outfits

b)

22 outfits

c)

3 outfits

d)

7 outfits

28.
a)
Answer Choice A
b)
Answer Choice B
c)
Answer Choice C
d)
Answer Choice D
29.

Moana must restore the ____________ of Tafiti to save her island.

a)

soul

b)

heart

c)

stone

d)

hook

30.

Who is this?

a)

Bill Nye

b)

Isaac Newton

c)

Neil DeGrasse Tyson

d)

Ben Franklin

31.

Name this reindeer:

a)

Rudolph

b)

Sven

c)

Kristoff

d)

Blitzen

32.

What is the name of the boy who owns Buzz Lightyear in the movie Toy Story?

a)

Mark

b)

Andy

c)

Chris

d)

Jacob

33.

What does "Hakuna Matata" mean in the movie, "Lion King?"

a)

no problem

b)

no worries

c)

See you later

d)

run away

34.

How many blue stripes does the United States flag have?

a)

6

b)

7

c)

0

d)

13

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