
Theoretical vs Experimental
Presentation
•
Mathematics
•
8th - 11th Grade
•
Medium
Standards-aligned
Christine Richmond
Used 15+ times
FREE Resource
11 Slides • 15 Questions
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By Christine Richmond
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Two Volunteers needed!
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There are two types of Probability - Theoretical and Experimental.
Theoretical Probability measures what we would expect to happen based on all of the possible outcomes and those we would like to have happen.
Experimental Probability is the measurement based on data from trials of an experiment, and the number of favorable outcomes during that time.
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Multiple Choice
Experimental Probability is:
What Will happen
What actually happens
What should happen
What I think Happens
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Multiple Choice
Theoretical Probability is?
What Should happen
What does happen
What Will Happen
What I want to Happen
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Probability is the chance something will happen on a scale from 0 to 1.
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Impossible (0%): something cannot occur
Unlikely: there is a small percentage of occurring
Even Chance (50%): there is a 50% chance it can occur and 50% it cannot
Likely: there more of a chance something occurring than not
Certain (100%): it will happen
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Probability is how likely something will occur.
Think of probability of the chance something can or cannot happen.
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Multiple Choice
Each letter of the word 'Mississippi' is written on an individual card and put in a bag. A card is randomly chosen from the bag. What is the likelihood of a consonant being chosen?
Very Likely
Not likely
Always
Never
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Multiple Choice
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Multiple Choice
What is the likelihood of flipping heads on a coin?
impossible
unlikely
as likely as unlikely
likely
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Multiple Choice
If an event can occur with a probability of 21/23, then we can say that it ...
will always occurr
cannot occur
is less likely to occur
is likely to occur
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Theoretical Probability
A number cube (a dice) with the numbers 1 through 6 is rolled. Find the given probability.
P (number < 2)
You read this as, "Probability of a number less than 2."
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Theoretical Probability
A number cube (a dice) with the numbers 1 through 6 is rolled. Find the given probability.
P (number ≥ 3)
You read this as, "Probability of a number greater than or equal to 3."
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Multiple Choice
A number cube with the numbers 1 through 6 is rolled. Find the given probability. P(number < 2)
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64
63
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Multiple Choice
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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Multiple Choice
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
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Multiple Choice
Ben has two marbles of the same size in his pocket, a green one and a red one. He puts his hand into his pocket and, without looking, takes out a red marble.
impossible
unlikely
even chance
likely
certain
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Multiple Choice
Cindy has three marbles of the same size in her pocket, a green, a blue and a red marble. She puts her hand into her pocket and, without looking, takes out a red marble.
impossible
unlikely
even chance
likely
certain
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Multiple Choice
Leroy has six red marbles of the same size in his pocket. He puts his hand into his pocket and, without looking, takes out a blue marble.
impossible
unlikely
even chance
likely
certain
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Multiple Choice
Nosipho has ten marbles of the same size in her pocket, 6 white and 4 red marbles. She takes out a white marble when she puts her hand in her pocket without looking.
impossible
unlikely
even chance
likely
certain
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Multiple Choice
Theoretical probability is based on ___________
What you have. Without experiments
your tally. With experiments
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Multiple Choice
Experimental probability is based on
_____________
What you have. Without experiments
your tally. With experiments
By Christine Richmond
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