Dictionary.com
Thesaurus.com

probability curve

American  

noun

Statistics.

  1. a curve that describes the distribution of probability over the values of a random variable.

  2. normal curve.

Etymology

Origin of probability curve

First recorded in 1890–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He declares that the normal probability curve, used by Dr. Rhine, requires for proper operation chance scores as far below the average as good scores go above it.

From Time Magazine Archive

The curve connecting the tops of the columns of peas is the normal probability curve.

From The Social Direction of Evolution An Outline of the Science of Eugenics by Kellicott, William E.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.