Experimental Vs. Theoretical Probability
Theoretical probability is

what you think or should happen
what did happen
Experimental probability is

what you think or should happen
what did happen
Victoria spun the spinner 10 times. She received red 6 times. What is Victoria's experimental probabilityof receiving a red?  Write your answer in simplest form.
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What is the theoretical probability of spinning a red?
Write your answer in simplest form.
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What is the theoretical probability of picking a yellow counter in simplest form?
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Ayonna picks a random counter out of a bag 14 times. She received a yellow counter 6 times. What is the experimental probability of pickinga yellow counter?
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Santiago flipped a coin 6 times and recordedhis results.
Trial
2
1
3
4
5
6
Outcome
Heads
Heads
Heads
Heads
Tails
Tails
What is the experimental 
probability of getting heads? 
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What is the theoretical probability of getting tailson a coin?
Caiden flipped a coin 6 times and recordedhis results.
Trial
2
1
3
4
5
6
Outcome
Heads
Heads
Heads
Heads
Tails
Tails
What is the experimental 
probability of getting tails? 
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There are three cards; one green, one yellow, and
one blue.  Without looking, Mia randomly selects a
card from the table. She does this 20 times and
the results are below. 
Green
Yellow
Blue
10
3
7
What is the experimental probability of receivinga green?
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There are three cards; one green, one yellow, andone blue.  
Green
Yellow
Blue
What is the theoreticalprobability of receivinga green?
Theoretical Probability
What is the theoretical probability of rolling a 5?
Rose rolled a fair number cube 15 times.  She rolled
the number 4 six times.  What is the experimental
probability of rolling a 4?
Experimental Probability
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What is Michael's theoreticalprobability of spinning a blue? Write your answer in simplest form.
Michael landed on blue 3 times 
in 12 spins. What is Michael's
experimental probability of landing
on a blue? Write your answer in 
simplest form.
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Chloe randomly picks a counter 12 times. She receivesa yellow counter 4 times. What is the experimentalprobability of picking a yellow counter?
What is the theoretical probability of picking a green counter?
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Lydia rolled a fair number cube 20 times.  She rolledthe number 4 six times.  Calculate the theoretical & experimental probabilities of rolling a 4.
Theoretical Probability 
P(4)

Experimental ProbabilityP(4)
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