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Experimental Probability

Total questions: 20

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

Dylan made 15 out of 35 free throws.

What's his experimental probability as a simplified fraction?

a)

3/7

b)

15/35

c)

1/2

d)

5/7

2.

Kate spun the spinner 75 times and landed on "3" thirty times.

What is the experimental probability as a percentage?

a)

20%

b)

30%

c)

40%

d)

50%

3.

Jill rolled a "5" fifteen times out of 20 rolls on a dice.

What is the experimental probability as a SIMPLIFIED FRACTION!

a)

3/7

b)

3/6

c)

3/5

d)

3/4

4.

The spinner was spun 30 times and landed on blue 12 times. What was the experimental probability of the spinner landing on colors that were not blue?

a)

2/5

b)

3/5

c)

4/5

d)

1/5

5.

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

a)
b)
c)
6.

The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 3?

a)
b)
c)
d)
7.

Tammy rolled a die five times.

Here is what she got on her five rolls: 1, 3, 3, 4, & 4

Find the experimental probability:

P(3) =

a)

3/5

b)

1/6

c)

2/5

d)

1/3

8.

What is the theoretical probability of flipping a coin and it lands on heads ? More than one answer can be correct

a)

1/2

b)

50%

c)

3/8

d)

37.5%

e)

3.75%

9.
Isidro flips a fair coin 40 times. How many times can he expect heads to appear?
a)
4
b)
10
c)
15
d)
20
10.

There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?

a)

1/13

b)

1/52

c)

1/2

d)

12/13

11.

The experimental probability that Jonah will catch a fly ball is equal to 7/8. About what percent of the time will Jonah catch a fly ball?

a)

55%

b)

66%

c)

77%

d)

88%

12.
Experimental Probability is:
a)
What Will happen 
b)
What actually happens
c)
What should happen
d)
What I think Happens
13.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
14.
What is the Theoretical Probability of not landing on red?
a)
25%
b)
50%
c)
65%
d)
66.7%
15.

Celine flipped a coin 100 times. She flipped heads 41 times and tails 59 times. What is the experimental probability that the next flip will be heads?

a)

41/100

b)

1/2

c)

59/100

d)

3/4

16.

Brooke has a box of crayons. 45 are yellow, 12 are green, 25 are blue, and 7 are red. If Brooke selects a crayon at random, which color crayon would she be most likely to select?

a)

yellow

b)

green

c)

blue

d)

red

17.

A restaurant surveys customers with the following results: 8 pizzas, 12 hamburgers, 14 pastas, and 6 steaks. What is the experimental probability of pizza or steak?

P(pizza or steak)

a)

8/40

b)

14/26

c)

14/40

d)

26/40

18.

What is the probability of the following event occuring?


Picking 1 blue marble out of a jar of 100 red marbles

a)

Impossible

b)

Unlikely

c)

As likely as not

d)

Likely

e)

Certain

19.

A bag contains 4 red coins, 3 yellow coins, and 3 purple coins.


What is the probability that you would pick a red coin? (Hint: Simplify answer)

a)

3/10

b)

1/5

c)

2/5

d)

1/10

20.

The bar graph shows the results of rolling a number cube __________times

a)

6

b)

50

c)

100

d)

12