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Probability

7th Grade Probability Vocabulary

TermDefinition
complement the probability that an event will not occur
dependent events an event in which the outcome does impact the probability of the next event
experimental probability the ratio of the number of times an event occurs to the total number of trials
independent events events in which the outcomes do not impact one another
probability the likelihood of an event happening: expressed as a value ranging from 0 to 1
sample space all the possible outcomes of an event
theoretical probability the probability that an event will occur based on all the possible outcomes
simple probability the ratio of successful outcomes to the total number of outcomes
relative frequency the total number of successful attempts divided by the total number of trials; often written as a decimal or percent
event outcomes from an experiment
tree diagram a diagram shaped like a tree used to display sample space by using one branch for each possible outcome
Created by: krempinm
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