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sample space

American

noun

Mathematics.

the collection of all possible results of an experiment, represented as points.

sample space British

noun

statistics the set of possible outcomes of an experiment; the range of values of a random variable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sample space

First recorded in 1950–55

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.

For example, the sample space for rolling a dice is the set 1,2,3,4,5,6.This notation is referred to as roster notation.

From Textbooks • Sep. 23, 2020

To calculate the probability of an event, we divide the number of possible outcomes of the event by the number of possible outcomes of the sample space.

From Textbooks • Sep. 23, 2020

Start by drawing a rectangle to represent the sample space.

From Textbooks • Mar. 27, 2020

The total of all probabilities displayed must be 1, representing 100 percent of the sample space.

From Textbooks • Mar. 27, 2020

There we used tree diagrams to track the changes in the probabilities, because the sample space changed as we drew without replacement.

From Textbooks • Nov. 29, 2017

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