Breadcrumb Home > Dictionary > Index P probability curve: Meaning and Definition of Find definitions for: probabil'ity curve" Pronunciation: [key] — Statistics. Statistics. a curve that describes the distribution of probability over the values of a random variable. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. probability probability density function TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language