Probability
What is the formula to find probability?
Number of favorable outcomes/ Number of possible outcomes
What are possible outcomes?
All of the possible results
What are the 3 ways you can express probability?
As a fraction, decimal or percent
Between what 2 numbers, do you measure probability?
Between 0 and 1
What is the formula to finding theoretical probability?
# of favorable outcomes/ # of total possible outcomes
What is the formula to finding experimental probability?
# of favorable outcomes/ # of trials
What is the definition of theoretical probability?
The ratio of favorable outcomes to total possible outcomes.
What is the definition of experimental probability?
The number of times a favorable outcome happens when a probability experiment is actually conducted.
Laura spun the spinner 10 times. The spinner landed on red 4 times. What kind of probability will you find here? Explain how you know.
Experimental
Daisy rolls an eight-sided die with numbers 1-8. Find the probability that Daisy will roll a 6.
1/8