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# Geometry Unit 11

### Probability Vocabulary

TermDefinition
Outcome A possible result of a situation or experiment.
Event One or more outcomes together
Sample Space The set of all possible outcomes
Experimental Probability The likelihood of an event occurring based on the results of an experiment.
Theoretical Probability The likelihood of an event occurring based only on the situation, not on the results of an experiment.
Complement of an Event All possible outcomes that are not part of an event.
Frequency Table A data display that shows how often an item appears in a category.
Relative Frequency The ratio of a frequency over the total frequency.
Set A collection of elements where order doesn't matter.
Subset If all elements of set A are in set B, then set A is called this.
Venn Diagram A visual representation of sets and subsets
Two-way Frequency Table This displays data in two different sets of categories.
Conditional Probability The likelihood that an event will occur, given that another event has already occurred.
Union This includes all elements in one set or the other.
Intersection This includes only the elements in common between one set and another.
Compound Event An event that is made up of two or more events.
Independent Events Events that do not affect how each other occurs.
Dependent Events Events where one affects how the other occurs.
Mutually Exclusive Events Events that cannot happen at the same time.
Overlapping Events Events that can happen at the same time.
Tree Diagram A diagram that has a branching structure resembling a tree.
Permutation A selection of items where order matters.
Combination A selection of items where order doesn't matter.
Geometric Probability The likelihood that a random point will be on a segment or region in a plane.
Created by: mo_sigler