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Lessons 30-33

Probability likelihood of an event happening
Outcome one of the possible results of an experiment
Event set of one or more outcomes
Experiment any activity with an observable result
Certain An event will definitely happen. 100% or 1.0 probability
Equally Likely An event will equally likely happen or not happen. 50% or .5 probability
Impossible An event will definitely not happen. 0% or 0 probability
Likely An event is more likely to happen than not happen. 51-99% or 0.51-.99 probability
Unlikely An event is less likely to happen than to happen. 1-49% or 0.01-.49 probability
Trial An experiment done one time
Experimental probability the ratio of the number of times an event occurs to the total number of trials or times the activity is performed
Theoretical probability what you would expect to happen in an experiment without actually doing it.
Sample Space set of all possible outcomes for an experiment
Uniform Each outcome is equally likely
Non-Uniform Each outcome is not equally likely
Compound Event More than one event occurring.
Tree Diagram A way to show to all possible outcomes with the events branching off from event to another.
Created by: missovalle