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17 Cards in this Set
- Front
- Back
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Probability |
A number between zero and one that expresses the chance that an event will occur. |
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Sample space |
All possible outcomes of an experiment |
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Event |
One or more of the possible outcomes of an experiment; a subset of the sample space |
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Experiment |
An activity that results in an outcome |
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Sample point |
The most basic outcome of an experiment |
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Outcome |
The possible result of an experiment |
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Random events |
An event in which all possible outcomes are known in advance, but none can be predicted with certainty |
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Equally likely outcomes |
Outcomes that occur with equal probability |
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Mutually exclusive events |
If one event occurs, the other cannot occur. |
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Exhaustive events |
A set of events are exhaustive if it includes all possible outcomes of an experiment |
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Intersection of events |
Two or more events occur at the same time |
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Union of events |
At least one of a number of possible events occurs |
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Marginal probability |
The probability that a given event will occur, no other events are taken into consideration |
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Joint probability |
2 or more events will occur |
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Conditional probability |
An event will occur, given that another event has already happened |
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Independent event |
The occurrence of one event has no effect on the probability that another will occur |
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Dependent event |
When the occurrence of one event changes the probability that another will occur |
