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Qu'est-ce (qui) est urn model - définition

CERTAIN MODEL STUDIED IN PROBABILITY THEORY AND COMBINATORICS

Urn model; Bernouilli's urn

Urn problem

In probability and statistics, an urn problem is an idealized mental exercise in which some objects of real interest (such as atoms, people, cars, etc.) are represented as colored balls in an urn or other container.

https://en.wikipedia.org/wiki/Urn_problem

Pólya urn model

Polya's urn; Polya urn; Polya urn scheme; Pólya's urn; Pólya urn; Hoppe urn; Polya urn model

In statistics, a Pólya urn model (also known as a Pólya urn scheme or simply as Pólya's urn), named after George Pólya, is a type of statistical model used as an idealized mental exercise framework, unifying many treatments.

https://en.wikipedia.org/wiki/Pólya_urn_model

funeral urn

VASE, OFTEN WITH A COVER, WITH A TYPICALLY NARROWED NECK ABOVE A ROUNDED BODY AND A FOOTED PEDESTAL

Urns; Funerary urn; Cinerary urn; Figural urn; ⚱; Cremation urn; Burial urn; Tea urn; Biodegradable urn; Bios Urns; Funeral urn; Burial urns; Sepulchral urn; Urn grave; Urn tomb; ⚱️

¦ noun an urn holding the ashes of a cremated body.

Wikipédia

Urn problem

In probability and statistics, an urn problem is an idealized mental exercise in which some objects of real interest (such as atoms, people, cars, etc.) are represented as colored balls in an urn or other container. One pretends to remove one or more balls from the urn; the goal is to determine the probability of drawing one color or another, or some other properties. A number of important variations are described below.

An urn model is either a set of probabilities that describe events within an urn problem, or it is a probability distribution, or a family of such distributions, of random variables associated with urn problems.

https://en.wikipedia.org/wiki/Urn problem