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Probability Vocab.

7th grade Probability terms

TermDefinition
Data Facts and statistics collected together for reference or analysis
Observation The action or process of observing something or someone carefully or in order to gain information.
Percent A ratio comparing a number to 100.
Ratio A comparison of two quantities by division.
Complement The set of all outcomes that are not the event.
Compound event An event made up of two or more simple events
Event An outcome or set of outcomes of an experiment or situation.
Experiment In probability, any activity based on chance, such as tossing a coin.
Experimental Probability The ratio of the number of times an event occurs to the total number of trials, or times that the activity is performed.
Outcome A possible result of a probability experiment.
Probability A number from 0 to 1 (or 0% to 100%) that describes how likely an event is to occur.
Simple Event An event consisting of only one outcome.
Simulation A model of an experiment, often one that would be too difficult or too time-consuming to actually perform.
Trial Each repetition or observation of an experiment.
Theoretical Probability The ratio of the number of ways an event can occur to the total number of equally likely outcomes.
Created by: jbrake13
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