Question

Expected value of time taken on random-walk on a cube

score 197 · Answer 1 · 2026-04-10 15:53:23

197

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Expected value of time taken on random-walk on a cube

Published on 10 Apr 2026 - 15:53

score 746 · Answer 2 · 2026-04-17 22:37:13

746

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What is $E[X | X + Y]$ if $X, Y$ are independent normal RVs?

Published on 17 Apr 2026 - 22:37

score 178 · Answer 3 · 2026-04-13 03:11:44

178

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Expected number of games so that every player has been an Imposter in Among Us

Published on 13 Apr 2026 - 3:11

score 850 · Answer 4 · 2026-04-14 06:27:58

850

Views

expected value rule of Uniform random variable

Published on 14 Apr 2026 - 6:27

score 91 · Answer 5 · 2026-04-09 23:11:25

91

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Linearity of Expectation (How does it work that way?)

Published on 09 Apr 2026 - 23:11

score 65 · Answer 6 · 2026-04-15 21:59:34

65

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Suppose that $X$ is an essentially bounded variable, $\mathbb{E}X=0$, prove that $\mathbb{E}e^X\leq\cosh \|X\|_\infty$.

Published on 15 Apr 2026 - 21:59

score 537 · Answer 7 · 2026-04-23 19:25:14

537

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What is the expectation of the function of a random variable conditioned on itself $\mathbb{E}[g(X)|X]$?

Published on 23 Apr 2026 - 19:25

score 90 · Answer 8 · 2026-04-14 00:55:48

90

Views

Maximum payoff of the game

Published on 14 Apr 2026 - 0:55

score 34 · Answer 9 · 2026-04-15 21:20:25

34

Views

Computing $\ E[|X-Y|^a] $ for $\ X, Y \sim U(0, 1) $

Published on 15 Apr 2026 - 21:20

score 276 · Answer 10 · 2026-04-09 08:43:15

276

Views

Maximize expected sum of uniformly chosen numbers

Published on 09 Apr 2026 - 8:43

score 312 · Answer 11 · 2026-04-14 09:21:25

312

Views

Expected squared distance between two jointly gaussian distributed random variables (dependent, with covariance)

Published on 14 Apr 2026 - 9:21

score 161 · Answer 12 · 2026-04-10 22:57:47

161

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Approximation for expected value of largest order statistic

Published on 10 Apr 2026 - 22:57

score 75 · Answer 13 · 2026-04-10 18:09:54

75

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Question about one issue in the proof of $\operatorname{Var}(Y^TAY)$

Published on 10 Apr 2026 - 18:09

score 529 · Answer 14 · 2026-04-08 16:08:37

529

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Changing order of integration in tail expectation formula?

Published on 08 Apr 2026 - 16:08

score 97 · Answer 15 · 2026-04-10 04:25:52

97

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Is the expectation of a random variable simply a composite function?

Published on 10 Apr 2026 - 4:25

List Question

Expected value of time taken on random-walk on a cube

What is $E[X | X + Y]$ if $X, Y$ are independent normal RVs?

Expected number of games so that every player has been an Imposter in Among Us

expected value rule of Uniform random variable

Linearity of Expectation (How does it work that way?)

Suppose that $X$ is an essentially bounded variable, $\mathbb{E}X=0$, prove that $\mathbb{E}e^X\leq\cosh \|X\|_\infty$.

What is the expectation of the function of a random variable conditioned on itself $\mathbb{E}[g(X)|X]$?

Maximum payoff of the game

Computing $\ E[|X-Y|^a] $ for $\ X, Y \sim U(0, 1) $

Maximize expected sum of uniformly chosen numbers

Expected squared distance between two jointly gaussian distributed random variables (dependent, with covariance)

Approximation for expected value of largest order statistic

Question about one issue in the proof of $\operatorname{Var}(Y^TAY)$

Changing order of integration in tail expectation formula?

Is the expectation of a random variable simply a composite function?

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