Question

Expectation of the product of two dependent binomial random variable

score 2.8k · Answer 1 · 2026-03-18 23:53:17

2.8k

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Expectation of the product of two dependent binomial random variable

Published on 18 Mar 2026 - 23:53

score 73 · Answer 2 · 2026-04-03 18:26:28

73

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Showing that $E[\frac{1}{X+1}] = \frac{1 - (1-p)^{n+1}}{(n+1)p}$

Published on 03 Apr 2026 - 18:26

score 189 · Answer 3 · 2026-03-28 12:21:57

189

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Upper bound on expectation of n non independent random variables

Published on 28 Mar 2026 - 12:21

score 181 · Answer 4 · 2015-10-14 12:46:14

181

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Mean number of replacements in a uniform random permutation

Published on 14 Oct 2015 - 12:46

score 46 · Answer 5 · 2015-10-14 13:28:40

46

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$\min_{a\in \mathbb{R} }E \left[|Z-a|^p\right]$ where $Z \sim \mathcal{N}(\mu,1)$

Published on 14 Oct 2015 - 13:28

score 82 · Answer 6 · 2015-10-15 06:07:33

82

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Find $E(X \mid Y=X+1/2)$ for $(X,Y)$ with given PDF

Published on 15 Oct 2015 - 6:07

score 224 · Answer 7 · 2015-10-16 00:09:56

224

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Expectation of the inverse of a shifted squared of a normal random variable!

Published on 16 Oct 2015 - 0:09

score 127 · Answer 8 · 2015-10-16 20:42:18

127

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If $X$ is independent of $\mathcal F$ and $Y$ is $\mathcal F$-measurable, then $\text P\left[X+Y\in A\mid Y=y\right]=\text P\left[X+y\in A\right]$

Published on 16 Oct 2015 - 20:42

score 41 · Answer 9 · 2026-04-01 00:58:06

41

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Bound on $E\left[f(Z,U)\exp \left(\frac{tZ^2}{2}\right) \right]$

Published on 01 Apr 2026 - 0:58

score 128 · Answer 10 · 2015-10-19 19:12:12

128

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Rifleman game with $n$ players in $D$ dimensions: what is the survivor fraction when $n,D\to\infty$?

Published on 19 Oct 2015 - 19:12

score 49 · Answer 11 · 2026-03-28 21:11:10

49

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Efficient methods for drawing random numbers and Monte Carlo for Tsallis q-Gaussians

Published on 28 Mar 2026 - 21:11

score 47 · Answer 12 · 2015-10-19 23:02:11

47

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How safely would random guards guard a watch tower?

Published on 19 Oct 2015 - 23:02

score 18.1k · Answer 13 · 2026-03-30 07:10:22

18.1k

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probability mass function p(x) = cx for x = 1,2,3,4,5 and p(x) = 0 for other values of x

Published on 30 Mar 2026 - 7:10

score 1.8k · Answer 14 · 2015-10-20 04:16:04

1.8k

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Probability Deck Question (4 kings)

Published on 20 Oct 2015 - 4:16

score 1k · Answer 15 · 2015-10-20 04:46:07

1k

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A discrete random variable has the PMF of x/15 for x = 1,2,3,4,5 and p(x) = 0 for all other values. $Z = 3X^2 +1$. what is Var(Z)?

Published on 20 Oct 2015 - 4:46

List Question

Expectation of the product of two dependent binomial random variable

Showing that $E[\frac{1}{X+1}] = \frac{1 - (1-p)^{n+1}}{(n+1)p}$

Upper bound on expectation of n non independent random variables

Mean number of replacements in a uniform random permutation

$\min_{a\in \mathbb{R} }E \left[|Z-a|^p\right]$ where $Z \sim \mathcal{N}(\mu,1)$

Find $E(X \mid Y=X+1/2)$ for $(X,Y)$ with given PDF

Expectation of the inverse of a shifted squared of a normal random variable!

If $X$ is independent of $\mathcal F$ and $Y$ is $\mathcal F$-measurable, then $\text P\left[X+Y\in A\mid Y=y\right]=\text P\left[X+y\in A\right]$

Bound on $E\left[f(Z,U)\exp \left(\frac{tZ^2}{2}\right) \right]$

Rifleman game with $n$ players in $D$ dimensions: what is the survivor fraction when $n,D\to\infty$?

Efficient methods for drawing random numbers and Monte Carlo for Tsallis q-Gaussians

How safely would random guards guard a watch tower?

probability mass function p(x) = cx for x = 1,2,3,4,5 and p(x) = 0 for other values of x

Probability Deck Question (4 kings)

A discrete random variable has the PMF of x/15 for x = 1,2,3,4,5 and p(x) = 0 for all other values. $Z = 3X^2 +1$. what is Var(Z)?

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