probability

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probability conditional probability probability density probability density function probability distribution probability function

Main Entry: prob·a·bil·i·ty
Pronunciation: "prä-b&-'bi-l&-tE
Function: noun
Inflected Form(s): plural -ties
1 : the quality or state of being probable
2 : something (as an event or circumstance) that is probable
3 a (1) : the ratio of the number of outcomes in an exhaustive set of equally likely outcomes that produce a given event to the total number of possible outcomes (2) : the chance that a given event will occur b : a branch of mathematics concerned with the study of probabilities
4 : a logical relation between statements such that evidence confirming one confirms the other to some degree