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probablity

Total questions: 20

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

The probability of flipping a coin and landing tails twice in a row.

a)

50%

b)

100%

c)

25%

d)

0%

2.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
3.
What is an outcome?
a)
The result of an experiment
b)
The chance or likelihood of an event
c)
A fraction, decimal, or a percent
d)
An activity that gives various results
4.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above
5.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
6.
P(not A) = 
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
7.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
8.
The probability of it raining today is 30%.  What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
9.

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

10.
What is the probability of rolling a cube and having it land as a six?
a)
1/6
b)
5/6
c)
1/3
d)
1/2
11.

A (a)   is made up of lines drawn from points connected to one another.

12.

P(Red Card)?

a)

26/52, or 1/2

b)

1/4

c)

1/3

d)

1/5

13.

P(Jack)?

a)

3/13

b)

2/13

c)

4/52

d)

4/13

14.

How many cards are there in each suit?

a)

4

b)

10

c)

13

d)

52

15.

Which of the following in NOT a face card?

a)

Jack

b)

Queen

c)

King

d)

Ace

16.

Find the probability of drawing a 10 from a standard deck of 52 cards. There are two correct answers.

a)

1/13

b)

1/52

c)

13/52

d)

4/52

17.

Find the probability of drawing a red from a standard deck of 52 cards, replacing it, then drawing a spade ♠

a)

1/13

b)

1/8

c)

1/4

d)

1/6

18.

Find the probability of drawing a red from a standard deck of 52 cards, replacing it, then drawing a black

a)

13/26

b)

1/8

c)

1/4

d)

1/2

19.

What is the probability of rolling a 2 on a die AND pulling a spade♠ out of a deck of cards?

a)

1 ⁄ 10

b)

1 ⁄ 12

c)

1 ⁄ 24

d)

1 ⁄ 6

20.

Marietta picks a candle from the bunch, replaces it, and then selects one again. What are the chances that she selects a green both times?

a)

1/144

b)

1/12

c)

1/36

d)

2/24

e)

2/12