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exponential distribution

British

noun

statistics a continuous single-parameter distribution used esp when making statements about the length of life of certain materials or waiting times between randomly occurring events. Its density function is p ( x ) = λe ^–λx for positive λ and nonnegative x , and it is a special case of the gamma distribution

"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

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.

They found that regardless of turbulence or snowflake type, acceleration follows a universal statistical pattern that can be described as an exponential distribution.

From Science Daily • Dec. 19, 2023

With the exponential distribution, this is not the case–the additional time spent waiting for the next customer does not depend on how much time has already elapsed since the last customer.

From Textbooks • Nov. 29, 2017

Classic exponential distribution questions are "how long it will be until the next person arrives," or a variant, "how long will the person remain here once they have arrived?"

From Textbooks • Nov. 29, 2017

In Example 5.5, the lifetime of a certain computer part has the exponential distribution with a mean of ten years.

From Textbooks • Nov. 29, 2017

In this chapter and the next, we will study the uniform distribution, the exponential distribution, and the normal distribution.

From Textbooks • Sep. 19, 2013

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