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Probability

Maths

TermDefinition
A trial is the act of doing an experiment in probability
An outcome is one of the possible results of a trial
An event is the occurrence of one or more specific outcomes
The set or list of all possible outcomes in a trial is called the sample space
A probability of 0% or 0 means that the event will never happen - impossible
1 or 100% means that the event will happen - certain
1/2, 0.5 or 50% means that there is an even chance of it happening
Relative frequency Is an estimate of the actual probability of an event occurring
Fundamental Principal of Counting If one trial has m possible outcomes and a second trial has n possible outcomes, then the total number of possible outcomes is mxn
Successive events Are two or more events occurring in succession or sequence
Created by: Sarah C. Lynch
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