chance variable

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Related to chance variable: stochastic variable
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Noun1.chance variable - a variable quantity that is randomchance variable - a variable quantity that is random  
variable quantity, variable - a quantity that can assume any of a set of values
References in periodicals archive ?
Generally, in the traditional trees chance nodes precede decision nodes only if the value of the chance variable is known to the decision maker when selecting an alternative.
Table 3: Mean QOL Perceptions: Group-Level Analysis based on Life Chances Indicators Life Chance Variable QOL in Community Past 5 Years Mean Score z Value Male 2.
These repeated trials are important in an experiment because they make it less likely that some chance variable (like a swimmer having an "off" day) will alter the results.