Experimental Theoretical Subjective Probability

Theoretical Probability is ____

• data from our experiment

• our prediction based on what should happen

Experimental Probability is ______

• what the data from our experiment shows

• our prediction of what should happen

A number color spinner was spun 20 times:

1 (Yellow) was spun 3 times
2 (Red) was spun 1 time
3 (Aqua) was spun 4 times
4 (Red) was spun 2 times
5 (Blue) was spun 0 times
6 (Aqua) was spun 3 times
7 (Blue) was spun 5 times
8 (Red) was spun 2 times

What is the experimental probability of spinning the color blue?

If 14% of Americans are fluent in at least two languages, what are chances that a random American you meet is not fluent in a second language?

• 86%

• 14%

• 30%

• 57%

Find the experimental probability based on these 5 dice rolls:

1, 3, 3, 4, 4

P(1) =

• 3/5

• 1/6

• 2/5

• 1/5

The probability of flipping a coin and landing on tails is 1/2.

If you flip the coin 100 times, approximately how many times would you expect to land on tails?

• 50 times

• 100 times

• 200 times

Shannon has a bag of jelly beans. She removed one jelly bean, recording the color, and then replaced it. She repeated the process 44 times and record her results in the table. What is the experimental probability of her selecting a red jelly bean?

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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

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

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