Theoretical and Experimental Probability

Experimental Probability is:

• What will happen.

• What actually happens.

• What should happen.

• What I think happens.

Theoretical Probability is?

• What should happen.

• What does happen.

• What will happen.

• What I want to happen.

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

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Tags

CCSS.7.SP.C.6

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

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

• 3/10

• 3/6

• 1/9

• 1/3

Tags

CCSS.7.SP.C.7B

What is the theoretical probability of landing on a 7? (decimal)

• 3/8 = 37.5%

• 2/8 = 25%

• 1/8 = 12.5%

• 7/8 = 87.5%

Tags

CCSS.7.SP.C.7B

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

• 5/11
• 5/6
• 1/3
• 5

Tags

CCSS.7.SP.C.7B

Which table shows an experimental probability of landing on tails that is closest to the theoretical probability of landing on tails?

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A standard 6-sided die is tossed 90 times. The results are recorded in the table. What number had an experimental probability that matched its theoretical probability?

• 1

• 2

• 3

• 4

• 5

The spinner has 4 sections of equal size labeled T, V, W, and X. The arrow of this spinner was spun 10 times and landed 6 times on the section labeled T.

Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled T?

• The experimental probability is 1/4, and the theoretical probability is 3/5.

• The experimental probability is 3/5, and the theoretical probability is 1/4.

• The experimental probability is 3/5, and the theoretical probability is 3/5.

• The experimental probability is 1/4, and the theoretical probability is 1/4.