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Definition of Pareto distribution
1. Noun. (statistics) A probability distribution such that for a random variable ''X'' with that distribution holds that the probability that ''X'' is greater than some number ''x'' is given by
for all ''x'' ? ''x''m, where ''x''m is the (necessarily positive) minimum possible value of ''X'', and ''k'' is a positive parameter. ¹
¹ Source: wiktionary.com