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Module 9 Vocabulary

TermDefinition
Complementary event Two events in which either one or the other must happen, but they cannot happen at the same time. The sum of the probability of an event and its complement is 1 or 100%
Compound event An event consisting of two or more simple events
Event The desired outcome or set of outcomes in a probability experiment
Experimental probability An estimated probability based on the relative frequency of positive outcomes during an experiment. It is based on what actually happened
Likelihood The chance of an event occurring
Outcome Any one of the possible results of an action. For example, 4 is an outcome when a number cube is rolled
Probability The chance that some event will happen. It is the ratio of the number of favorable outcome to the number of possible outcome
Probability experiment When you perform an event to find the likelihood of an event
Relative frequency A ratio that compares the frequency of each category to a total
Relative frequency bar graph A graph used to organizes occurrences compared to a total
Relative frequency table A table used to organizes occurrences compared to a total
Sample space The set of all possible outcomes of a probability experiment
Simple event One outcome or a collection of outcomes
Simulation An experiment that is designed to model a given situation
Theoretical probability The ratio of the number of ways an event can occur to the number of possible outcomes in the sample space. It is based on what should happen when conducting a probability experiment
Theoretical probability of a compound event The ratio of the number of ways an event can occur to the number of possible outcomes in the sample space
Tree diagram A diagram used to show the sample space
Uniform probability model A probability model which assigns each probability to outcomes
Created by: user-1981839
 

 



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