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Abbreviation(s) and Synonym(s):

Random Number
Random Parameter


  For the purposes of this Recommendation, a value in a set that has an equal probability of being selected from the total population of possibilities and, hence, is unpredictable. A random number is an instance of an unbiased random variable, that is, the output produced by a uniformly distributed random process.
NIST SP 800-90A Rev. 1 under Random Number