Free Printable Review Simple & Compound Probability

1.

What is the probability of spinning an even number?

a)

25%

b)

33%

c)

50%

d)

75%

2.

What is the probability of spinning the spinner and landing on and A? (Remember to simplify your answer)

a)

1/8

b)

3/4

c)

3/8

d)

1/4

3.

What is the probability of spinning a yellow, green, or blue?

a)

3/4

b)

1/12

c)

1/3

d)

1/16

4.

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

a)

3/8

b)

1/8

c)

3/4

d)

1/4

5.

What is the probability of flipping this quarter and landing on tails?

a)

1/4

b)

1/3

c)

1/2

d)

2/3

6.

Look at the set of blocks. What is the probability of choosing a red block? (simplify your answer)

P(red) =

a)

1/5

b)

2/7

c)

1/6

d)

1/12

7.

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

8.

Find the probability of rolling a 7 on a single die.

a)

1/6

b)

7/6

c)

0

d)

7/7

9.

What is the probability of spinning red?

a)

0

b)

1/2

c)

3/4

d)

1

10.

Experimental Probability is:

a)

What Will happen

b)

What actually happens

c)

What should happen

d)

What I think Happens

11.

Probability can be written as ...

a)

a fraction

b)

a decimal

c)

a percent

d)

all of the above

12.

Theoretical Probability is?

a)

What Should happen

b)

What does happen

c)

What Will Happen

d)

What I want to Happen

13.

Which of the following best describes the likelihood of the spinner landing on a number less than 6?

a)

impossible

b)

unlikely

c)

equally likely

d)

likely

e)

certain

14.

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

a)

$\frac{3}{7}\times\frac{3}{7}$

b)

$\frac{4}{7}\times\frac{4}{7}$

c)

$\frac{4}{7}\times\frac{3}{6}$

d)

$\frac{4}{7}\times\frac{3}{7}$

15.

If you spin two times, what is the probability of landing on green both times?

a)

$\frac{1}{6}+\frac{1}{6}$

b)

$\frac{1}{6}\times\frac{1}{6}$

c)

$\frac{1}{6}\times\frac{2}{6}$

d)

$\frac{1}{3}\times\frac{1}{3}$

16.

How do you find compound probability?

a)

Multiply your probabilities

b)

Add your probabilities

c)

Divide your probabilities

d)

Subtract your probabilities

17.

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on green?

a)

1 / 16

b)

1 ⁄ 6

c)

1 ⁄ 8

d)

3 ⁄ 4

18.

A bag of marbles are either blue, green, or red. If you replace after the 1st pick, what is: Probability (Red, Red)

a)

$\frac{16}{81}$

b)

$\frac{8}{9}$

c)

$\frac{15}{56}$

d)

$\frac{21}{34}$

19.

A bag has blue, green, or red marbles. If you replace after the 1st pick, what is: P( Blue, Green)?

a)

$\frac{2}{27}$

b)

$\frac{5}{9}$

c)

$\frac{15}{56}$

d)

$\frac{3}{32}$

20.

What is the probability of the spinning both and getting A and 1?

a)

$\frac{1}{3}$

b)

$\frac{1}{5}$

c)

$\frac{2}{7}$

d)

$\frac{1}{12}$

Review Simple & Compound Probability

Total questions: 20

Worksheet time: 2hrs 40mins

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