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Understand Experimental Probability

Total questions: 20

Worksheet time: 20mins

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.

Probability based on the outcomes during

an experiment

a)

Theoretical Probability

b)

Sample Space

c)

Experimental Probability

d)

Random

6.

What is the experimental probability of P(G,G)? Write your answer as a percent rounded to the nearest tenth. (example: 13.5)

7.

Probability that is based on repeated trials of an experiment

a)

Fundamental Counting Principle

b)

theoretical probability

c)

experimental probability

d)

experiment

8.

Which of the following describes experimental probability?

a)

Perform a situation and count the number of possibilities

b)

Use trials to count the number of desired outcomes

c)

Perform an experiment to determine the probability of an event

d)

Use a formula to determine the expected probability of an event

9.

The ________ is based on relative frequency, or what actually occurs during a probability experiment.

a)

Theoretical Probability

b)

Experimental Probability

c)

Independent Events

d)

Sample Space

10.

What is the experimental probability of P(R,A)? Write your answer as a percent rounded to the nearest tenth. (example: 13.5)

11.

The student council randomly selected 25 students in the school to ask them to choose their favorite chips. The results of the random sample survey are in the table.

Based on the survey, what is the experimental probability that the next student that is surveyed will choose Doritos as their favorite chips?

12.

Experimental probability is...

a)

the probability of a certain event occuring

b)

the total outcomes of an event

c)

the probability based on the results of a series of trials

d)

the probability of how likely an event might occur

13.

When collected data is used to express probability, we call it - 

a)

theoretical probability

b)

experimental probability

c)

simple probability

d)

compound probability

14.

What is the experimental probability of P(R,A)? Write your answer as a percent rounded to the nearest tenth. (example: 13.5)

15.

Experimental Probability is:

a)

What will happen 

b)

What actually happens

c)

What should happen

d)

What I think Happens

16.

What is the experimental probability of rolling a 6?

a)

715\frac{7}{15}

b)

12\frac{1}{2}

c)

815\frac{8}{15}

d)

1330\frac{13}{30}

17.

What is his experimental probability as a fraction?


**SIMPLIFY THE FRACTION!**

a)

3/7

b)

15/35

c)

1/2

d)

5/7

18.

Which of the following describes experimental probability?

a)

Perform an experiment to determine the probability

b)

Determining the expected probability of an event

c)

Perform a simulation and count the number of possible outcomes

d)

Use trials to count the number of desired outcomes

19.

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)
20.

Kate spun the spinner 15 times and landed on "3" thirty times.

What is the experimental probability as a percentage?

a)

20%

b)

30%

c)

40%

d)

50%