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MHill ch 5

7th math probability terms

TermDefinition
Complementary events The events of one outcome happening and that outcome not happening. The sum of the probabilities of an event and its complement is 1 or 100%
Compound event - An event consisting of two or more simple events
Dependent events - Two or more events in which the outcome of one events affects the outcome of the other events
Experimental probability - An estimated probability based on the relative frequency of positive outcomes occurring during an experiment. It is based on what actually occurred during such an experiment
Fair - Equally likely chance of winning
Independent events - Two or more events in which the outcome of one event does not affect the outcome of the other events
outcome - Any one of the possible results of an action
Probability - The chance that some event will happen. It is the ratio of the number of favorable outcomes to the number of possible outcomes
Qualitative predictions - Predictions that deal with descriptions observable data or non-numerical data
Quantitative predictions - Predictions that deal with numerical data or measureable data
Random - Outcomes occur at _____if each outcome occurs by chance
Relative frequency - A ratio that compares the frequency of each category to the 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 the action in a given situation
Theoretical probability- The ratio of the number of ways an event can occur to the number of possible outcomes. It is based on what should happen
Tree diagram - A diagram used to show the sample space
Unfair - Not a chance of being equally likely to win
Uniform probability model - A probability model which assigns equal probability to all outcomes
Created by: MrsSheBro
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