Free Printable Probability

1.

How many outcomes are there?

(a)

2.

P(8)=

a)

$\frac{1}{4}$

b)

$\frac{4}{5}$

c)

$\frac{1}{8}$

d)

$\frac{7}{8}$

3.

P(even)=

a)

$\frac{1}{2}$

b)

$\frac{1}{8}$

c)

$\frac{7}{8}$

d)

$\frac{4}{5}$

4.

P (3 or 6)=

a)

$\frac{1}{2}$

b)

$\frac{1}{4}$

c)

$\frac{4}{5}$

d)

$\frac{1}{8}$

5.

Is this spinner fair? Why?

a)

no, there are too many numbers

b)

yes, all the portions are the same size

c)

yes, all spinners are fair

d)

no, no spinners are fair

6.

How many outcomes are there?

(a)

7.

P(blue)=

a)

$\frac{1}{2}$

b)

$\frac{9}{11}$

c)

$\frac{2}{11}$

d)

$\frac{1}{3}$

8.

P(red)=

a)

$\frac{1}{2}$

b)

$\frac{5}{11}$

c)

$\frac{6}{11}$

d)

$\frac{1}{4}$

9.

P(purple or green)=

a)

$\frac{1}{2}$

b)

$\frac{1}{4}$

c)

$\frac{6}{11}$

d)

$\frac{4}{11}$

10.

Is this a fair game?

a)

no, there are not the same amount of each color.

b)

yes, there are different colors

c)

no, picking marbles out of a bag is never fair

d)

yes, picking marbles out of a bag is always fair.

11.

What is NOT the Theoretical Probability of tossing a head on a coin?

a)

1/2

b)

Equally Likely

c)

50%

d)

1/6

12.

What is the likelihood of rolling a 1

a)

Certain

b)

Impossible

c)

Equally Likely

d)

Unlikely

13.

What is the likelihood of rolling a 10 on a normal die?

a)

Impossible

b)

Certain

c)

Equally Likely

d)

Unlikely

14.

A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

a)

1/3

b)

1/6

c)

1/2

d)

2/3

15.

A regular 6-sided die is to be rolled once. What is the probability that a number less than or equal to 4 is rolled?

a)

1/2

b)

1/4

c)

5/6

d)

2/3

16.

A spinner has 8 equal regions. Each region is marked with one of the following numbers: 10, 20, 30, 40, 50, 60, 70, 80. What is the probability of an even number being spun on the first roll?

a)

1/8

b)

1/2

c)

1

d)

3/8

17.

There are 3 red marbles, 4 blue marbles, 2 green marbles, and 6 clear marbles in a burlap bag. One marble is randomly pulled from the bag. What is the probability the marble was green?

a)

1/2

b)

1/7

c)

2/15

d)

2/17

18.

If you select a marble without looking, how likely is it that you will pick a black one?

a)

certain

b)

probable

c)

unlikely

d)

impossible

19.

If you select a marble without looking, how likely is it that you will pick a black one?

a)

certain

b)

probable

c)

unlikely

d)

impossible

20.

A box contains 3 black pens, 7 blue pens, and 5 red pens. Without looking, P(red or black)

a)

8/15

b)

15/225

c)

5/15

d)

3/15

Probability

Total questions: 20

Worksheet time: 10mins

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