Question

Urn contains $i$ white balls and $(3-i)$ black balls. Let $T$ be the time there are only white balls left in the urn. Find $E[T]$

score 84 · Answer 1 · 2026-02-23 10:51:53

84

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Urn contains $i$ white balls and $(3-i)$ black balls. Let $T$ be the time there are only white balls left in the urn. Find $E[T]$

Published on 23 Feb 2026 - 10:51

score 170 · Answer 2 · 2026-02-23 10:49:50

170

Views

Find the probability of the event that we run out of white balls first

Published on 23 Feb 2026 - 10:49

score 189 · Answer 3 · 2026-04-09 01:52:46

189

Views

Laplace urn scheme

Published on 09 Apr 2026 - 1:52

score 340 · Answer 4 · 2026-02-23 10:47:22

340

Views

Probability of first to draw red ball from urn without replacement

Published on 23 Feb 2026 - 10:47

score 264 · Answer 5 · 2026-02-23 09:00:11

264

Views

Polya's Urn: Need Help Calculating Expected Value of Concentration of Red Balls at Stage n

Published on 23 Feb 2026 - 9:00

score 255 · Answer 6 · 2026-02-23 10:41:41

255

Views

Computing Beta Function for Polya's Urn Scheme

Published on 23 Feb 2026 - 10:41

score 12 · Answer 7 · 2026-04-04 07:43:13

12

Views

Estimating a parameter in a changing attachment probability of an urn model given the draw sequence

Published on 04 Apr 2026 - 7:43

score 466 · Answer 8 · 2026-02-23 10:49:50

466

Views

Struggling with intuition about this probability question. Symmetry argument of two balls drawn from an urn.

Published on 23 Feb 2026 - 10:49

score 503 · Answer 9 · 2026-02-23 10:49:50

503

Views

There are red and blue balls in the urn, only put red ball back. What is the expected value?

Published on 23 Feb 2026 - 10:49

score 135 · Answer 10 · 2026-02-23 10:45:14

135

Views

Marginal Dirichlet Negative Binomial Distribution and the Multinomial Inverse Polya Urn

Published on 23 Feb 2026 - 10:45

score 74 · Answer 11 · 2026-02-23 10:22:51

74

Views

Negative binomial (and multinomial) extension to the minimum(failures,successes)

Published on 23 Feb 2026 - 10:22

score 365 · Answer 12 · 2026-02-23 10:46:13

365

Views

Polya's Urn for Three Colors Instead of Two

Published on 23 Feb 2026 - 10:46

score 42 · Answer 13 · 2026-02-23 10:49:02

42

Views

Urn model: closed formula for: at least a given number of blue balls

Published on 23 Feb 2026 - 10:49

score 98 · Answer 14 · 2026-02-23 10:49:45

98

Views

Drawing from an urn - probability of drawing maximum 2 of each color.

Published on 23 Feb 2026 - 10:49

score 81 · Answer 15 · 2026-02-23 10:48:58

81

Views

Pólya's urn - Probability of drawing two same-colour balls in succession

Published on 23 Feb 2026 - 10:48

List Question

Urn contains $i$ white balls and $(3-i)$ black balls. Let $T$ be the time there are only white balls left in the urn. Find $E[T]$

Find the probability of the event that we run out of white balls first

Laplace urn scheme

Probability of first to draw red ball from urn without replacement

Polya's Urn: Need Help Calculating Expected Value of Concentration of Red Balls at Stage n

Computing Beta Function for Polya's Urn Scheme

Estimating a parameter in a changing attachment probability of an urn model given the draw sequence

Struggling with intuition about this probability question. Symmetry argument of two balls drawn from an urn.

There are red and blue balls in the urn, only put red ball back. What is the expected value?

Marginal Dirichlet Negative Binomial Distribution and the Multinomial Inverse Polya Urn

Negative binomial (and multinomial) extension to the minimum(failures,successes)

Polya's Urn for Three Colors Instead of Two

Urn model: closed formula for: at least a given number of blue balls

Drawing from an urn - probability of drawing maximum 2 of each color.

Pólya's urn - Probability of drawing two same-colour balls in succession

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