Theoretical and Experimental Probability Review

Theoretical and Experimental Probability Review

By Benny Boyd

Math Response

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability as a simplified fraction of pulling a red?

Type answer here

Correct Answer: \frac{3}{10}

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Math Response

Theoretical P(4 or 6)

Write your answer as fraction in lowest terms.

Type answer here

Correct Answer: \frac{1}{3}

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Math Response

Martin has a bag of marbles. He removed one marble, recorded the color and then placed it back in the bag.

Based on his experiment, what is the probability as a simplified fraction of getting a green marble?

Type answer here

Correct Answer: \frac{3}{10}

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Multiple Choice

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

What is the experimental probability as a percentage?

• 20%

• 30%

• 40%

• 50%

Math Response

Theoretical P(Yellow)

Write your answer as fraction in lowest terms.

Type answer here

Correct Answer: \frac{1}{4}

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Multiple Choice

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?

• 2/5

• 3/5

• 4/5

• 1/5

Math Response

Theoretical P(Green or Red)

Write your answer as fraction in lowest terms.

Type answer here

Correct Answer: \frac{2}{5}

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Math Response

Theoretical P(Even #)

Write your answer as fraction in lowest terms.

Type answer here

Correct Answer: \frac{1}{2}

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Math Response

Jon made 15 out of 35 free throws.

What is his experimental probability as a fraction?

**SIMPLIFY THE FRACTION!**

Type answer here

Correct Answer: \frac{3}{7}

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Math Response

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

What is the experimental probability as a SIMPLIFIED FRACTION!

Type answer here

Correct Answer: \frac{3}{4}

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Multiple Choice

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

Multiple Choice

Neil tossed a 6-sided die 90 times. The results of his tosses are recorded in the table below: Which number has the experimental probability of 13/90?

• 1

• 2

• 3

• 4

• 5

Multiple Choice

The arrow is spun 15 times and landed 4 times on the section labeled Q. Which statement is true?

Multiple Choice

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Multiple Choice

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

Multiple Choice

Probability is ...

• the liklihood that some event will occur.

• a game that involves coins.
• a guarantee.

Multiple Choice

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

Math Response

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

What is the theoretical probability as a SIMPLIFIED FRACTION!

Type answer here

Correct Answer: \frac{5}{11}

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Math Response

The table shows the color of marbles in a bag.

Each student chose a marble, logged the color chosen, and put the marble back in the bag.

What is the experimental probability of choosing a black or blue marble?

Enter your answer as a simplified fraction.

Type answer here

Correct Answer: \frac{1}{2}

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Drag and Drop

The table shows the results of trials from Donny's experiment.

What's the experimental probability (as a fraction) of drawing each color?

Red: ​​

Placeholder

Blue: ​

Placeholder

Green: ​

Placeholder

Yellow: ​

Placeholder

Drag these tiles and drop them in the correct blank above

12/50

10/50

15/50

13/50

50/50

25/50

Math Response

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?

Type answer here

Correct Answer: \frac{12}{25}

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Dropdown

Based on the chart, what is the experimental probability of pulling a green marble?

Select answer

Dropdown

A number cube with faces labeled from 1 to 6 was rolled 20 times. Each time the number cube was rolled, the number showing on the top face was recorded. The table shows the results. 

                                                           

Based on these results, what is the experimental probability that the next time the number cube is rolled it will land with 5 or 6 showing on the top face? ​

Select answer

Math Response

The table shows the color of marbles in a bag.

Each student chose a marble, logged the color chosen, and put the marble back in the bag.

What is the experimental probability of choosing a pink marble?

Enter your answer as a simplified fraction.

Type answer here

Correct Answer: \frac{1}{6}

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Math Response

A spinner is divided into 4 equally sized selections. The sections are blue, green, red, and yellow. The results of 1000 spins are shown in the table.

What is the theoretical probability of spinning a green? (use a reduced fraction)

Type answer here

Correct Answer: \frac{1}{4}

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