Term | Definition |
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. |