Discrete Variable
From Experimental Software Engineering
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Contents
Definition
English
Discrete Variable
If a random variable is discrete, then the set of all values that it can assume with non-zero probability is finite or countably infinite, because the sum of uncountably many positive real numbers (which is the least upper bound of the set of all finite partial sums) always diverges to infinity.
Portuguese
Variável Discreta
Se uma variável aleatória é discreta então o conjunto de todos os possíveis valores que ela pode assumir é finito ou contavelmente infinito, porque a soma de muitos números positivos reais incontáveis diverge sempre para o infinito.
Reference
- Estatística Básica (Bussab, Morettin, 2002)
