discrete random variable


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Related to discrete random variable: Continuous Random Variable, Discrete probability distribution

dis·crete ran·dom var·i·a·ble

a random variable that may assume a countable number of values, each with a probability strictly greater than zero.
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Define the vector b(l, [Delta]) corresponding to the discrete random variable B(L, [Delta]) taking values [b.
This expectation value E corresponds to the classical average which deals with a discrete random variable.
For a discrete random variable f(x) interpreted as Pr{X = x} is the probability mass function (pmf).
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