The likelihood of an event occurring, expressed as a number between 0 and 1.
What is probability?
An event that will definitely happen.
What is a certain event?
Divide the number of favorable outcomes by the total number of possible outcomes.
How do you calculate the probability of a single event?
Predicting the chance of rain.
What is an example of probability in real life?
Experimental probability is based on actual experiments, while theoretical probability is based on expected outcomes.
What is the difference between experimental and theoretical probability?
From 0 (impossible) to 1 (certain).
What is the range of probability values?
This event is...
What is unlikely?
P(3)= 1/6
Calculate the probability of rolling a 3 on a fair die.
To estimate the likelihood of certain weather conditions occurring.
How can probability be used in weather forecasting?
Roll a die 100 times and record the outcomes.
Describe an experiment to find the experimental probability of rolling a die.
The event cannot occur (impossible).
What does it mean if an event has a probability of 0?
A way of showing the sample space that gets its name from its "branches"
What is a tree diagram?
P (red) = 26/52 = 1/2
What is the probability of drawing a red card from a standard deck of cards?
Analyzing player performance and game outcomes.
What is how sports teams use probability?
Increase the number of trials in the experiment.
How can you improve the accuracy of experimental probability?
The event is certain to occur.
What does it mean if an event has a probability of 1?
A way of showing the sample space in a chart
What is a table of outcomes?
P (heads) = 1/2
If you flip a coin, what is the probability of getting heads?
Helps individuals and organizations weigh the potential outcomes of their choices.
How do we use probability to make decisions?
Random chance or a small sample size.
What might cause differences between experimental and theoretical probability?
An event that cannot happen, such as rolling a 7 on a standard six-sided die.
What is an impossible event?
The ________ is all the possible outcomes.
What is the sample space?
In games of chance where players have strategies that affect outcomes.
What is an example of when theoretical probability can be misleading?