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Dictionary


probabil'ity den"sity func"tion



Statistics.
1. a function of a continuous variable whose integral over a region gives the probability that a random variable falls within the region.
2. Also called frequency function. a function of a discrete variable whose sum over a discrete set gives the probability of occurrence of a specified value.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

probability curveprobability distribution

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