List questions from expected-value

Published on 28 Mar 2026 - 21:27

62

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Negative moments of variables

Published on 03 Jun 2020 - 6:57

41

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Proving that $ \sup E[X_n] \geq E[X]$

Published on 03 Jun 2020 - 10:15

803

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Expected value of absolute value of centered random variable

Published on 25 Mar 2026 - 23:36

43

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Calculate covariance of 2 random variables when only given variance and cov

Published on 30 Mar 2026 - 10:40

212

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Expectation of Inverse Normal CDF

Published on 03 Jun 2020 - 20:32

136

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Equality of expectations if identically distributed

Published on 04 Jun 2020 - 11:24

19

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Is the value of $\mathbb E_{\forall i=1,2,\cdots,n,x_i\sim N(0,1)}\,\Vert\vec x\Vert_2=\sqrt{n}$?

Published on 04 Jun 2020 - 11:42

124

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Some doubts about proof of Strong Law of Large Numbers

Published on 23 Feb 2026 - 14:11

156

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Expected value of $1$'s in a matrix product defined over $\mathbb{Z}_2$

Published on 04 Jun 2020 - 17:20

921

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Expected value of sum of number of dice after rolling a die n times

Published on 28 Mar 2026 - 21:34

31

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$E\int_0^T|X(t)|^2dt=0$ then $X=0 dP\times dt$

Published on 28 Mar 2026 - 23:59

104

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Calculating expected value and variance given joint Gaussian distribution

Published on 26 Mar 2026 - 12:43

61

Views

Find the random variable with the greatest expected value

Published on 28 Mar 2026 - 13:32

65

Views

Calculate the expected cost

Published on 05 Jun 2020 - 18:06

List Question

Whether a dice game is profitable in the long run

Negative moments of variables

Proving that $ \sup E[X_n] \geq E[X]$

Expected value of absolute value of centered random variable

Calculate covariance of 2 random variables when only given variance and cov

Expectation of Inverse Normal CDF

Equality of expectations if identically distributed

Is the value of $\mathbb E_{\forall i=1,2,\cdots,n,x_i\sim N(0,1)}\,\Vert\vec x\Vert_2=\sqrt{n}$?

Some doubts about proof of Strong Law of Large Numbers

Expected value of $1$'s in a matrix product defined over $\mathbb{Z}_2$

Expected value of sum of number of dice after rolling a die n times

$E\int_0^T|X(t)|^2dt=0$ then $X=0 dP\times dt$

Calculating expected value and variance given joint Gaussian distribution

Find the random variable with the greatest expected value

Calculate the expected cost

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