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Unit 7 Vocab

Math Vocab

TermDefinition
Combination a single group of items where no item can be selected more than once and the order of the arrangement does not matter
Arrangement with repetition r selections from a group of n choices and choices can be repeated
Permutation a single group of​ items, no item can be selected more than once and the order of the arrangement matters
Equation for multiplication principle M x N
Theoretical Method Equation P(A) = number of ways A can occur divided by total number of possible outcomes
Relative Frequency Method Equation P(A) = number of times A occurred divided by total number of observations
Probability of event not occurring equation P (not A)= 1 - P(A)
And Probability Equation for Independent Events P (A and B and etc) = P(A) x (P(P) x etc
And Probability Equation for Dependent Events P (A and B and etc) = P(A) x P(B given A) x P(etc given prior)
Either/Or Probability Equation for Non-Overlapping Events P (A or B or etc) = P(A) + P(B) + P(etc)
Either/Or Probability Equation for Overlapping Events P (A or B) = P(A) + P(B) - P(A and B)
Equation for the "at least one" rule 1-P(not A) + 1- P(not A) to the nth power
Expected Value Equation (value of event one x probability of event one) + (value of event one x probability of event two) + so on and so forth
Created by: user-1965680
 

 



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