Theoretical
What is the theoretical probability of rolling a 4 on a dice?
1 out of 6
James flipped a coin 15 times and he got heads 9 times. What is the experimental probability of landing on heads? Reduce your fraction!
3/5
You spun a spinner 20 times and the results follow
Yellow 10
Orange 7
Red 3
Which color has an experimental probability of 50% ?
Yellow
What is the measure of how likely an event is to occur?
Probability
-20 - 5
-25
What is the Theoretical Probability based off of?
Theoretical Probability is based off of knowledge, what you know.
What is Experimental Probability based off of?
Experimental Probability is based off of what you actually do, what you test.
Marcus rolled a dice 48 times and these were the results.
Number Rolled Time Rolled
1 10
2 14
3 7
4 3
5 6
6 8
What is the theoretical probability of rolling a 1?
1/6
The actual result of an experiment.
Experimental Probability
-9 x -4
36
A bag of candy contains 2 pieces of bubble gum, 4 jolly ranchers, and 10 tootsie rolls. What is the probability of choosing either a piece of bubble gum or a tootsie roll? Simplify!
3/4
Marcus rolled a dice 48 times and these were the results.
Number Rolled Time Rolled
1 10
2 14
3 7
4 3
5 6
6 8
What is the experimental probability of rolling a 2? Round to the nearest whole percent.
Marcus rolled a dice 48 times and these were the results.
Number Rolled Time Rolled
1 10
2 14
3 7
4 3
5 6
6 8
What is the experimental probability of rolling an even number?
25/48
The chance of an event happening based off of what you know, the knowledge.
Theoretical Probability
35 / - 5
-7
A fair number cube has six sides, numbered 1 through 6. What is the theoretical probability of rolling a number greater than 4? Simplify!
1/3
Use the table to answer the question. Answers must be in simplified form.
Number Rolled Frequency
1 4 times
2 5 times
3 2 times
4 8 times
5 6 times
6 5 times
What is the experimental probability of rolling a 5 on a fair number cube?
1/5
How are Theoretical and Experimental Probabilities different?
A situation that involves chance or probability that leads to results.
Experiment
What are ALL the methods to help you solve multiplication problems with negatives and positives?
Smile Method
Word Method
Triangle Method
If Mary selects a flower at random, what is the probability that it will be pink?
Purple 35
Pink 20
Yellow 25
Total of flowers : 80
1/4
Marcus rolled a dice 48 times and these were the results.
Number Rolled Time Rolled
1 10
2 14
3 7
4 3
5 6
6 8
What is the experimental probability of rolling a 6?
1/6
Preston has a box of 100 identically shaped, colored markers -
• 20 red
• 18 blue
• 25 green
• 15 yellow
• 22 purple
Preston selects one marker from the box without looking. What is the theoretical probability that Preston will select a blue marker? Simplify!
9/50
The possible results of an experiment.
Outcomes
Fill in the blank:
________ signs you add, _________ signs subtract.
Same and Different