List questions from expected-value

Published on 12 Mar 2019 - 17:00

74

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Expected value of mean plus the deviation from the mean

Published on 12 Mar 2019 - 20:02

298

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Proving that $\Gamma(\frac{1}{2})=\sqrt(\pi)$ using the expected value of standard normal variable (integral calculation)

Published on 27 Mar 2026 - 7:49

590

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The expected value within a time interval

Published on 26 Mar 2026 - 17:29

46

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Basic Question on Conditional Expectation (conditioning with different sub-$\sigma$-algebras)

Published on 28 Mar 2026 - 2:48

744

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Is the expectation of the derivative of the distribution function always 0?

Published on 14 Mar 2019 - 18:22

48

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How can $\sigma^2$ be derived as a function of $\mu$ in a Gaussian pdf?

Published on 27 Mar 2026 - 16:27

20

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Covariance of centred random vairables

Published on 15 Mar 2019 - 17:20

111

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Convergence in probability of non-negative random variable and expectation

Published on 15 Mar 2019 - 20:20

42

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is $E[W\mid X]P[X]$ the same as $E[W\Bbb 1\{X\text{ takes place}\}]$

Published on 29 Mar 2026 - 16:49

533

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are integration limit to find expected value from a pdf inclusive (or exclusive)?

Published on 25 Mar 2026 - 4:40

73

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$\Bbb E(X\mid X^2)=X$

Published on 29 Mar 2026 - 16:55

31

Views

Have I been rigorous in this simple argument with summation and expectation operators?

Published on 17 Mar 2019 - 4:13

86

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Prove of $E\left(|X+Y|^a\right)\ge E\left(|Y|^a\right)$?

Published on 27 Mar 2026 - 11:47

116

Views

Variance of combination of Brownian Motions

Published on 27 Mar 2026 - 5:59

List Question

Problem of probability distribution

Expected value of mean plus the deviation from the mean

Proving that $\Gamma(\frac{1}{2})=\sqrt(\pi)$ using the expected value of standard normal variable (integral calculation)

The expected value within a time interval

Basic Question on Conditional Expectation (conditioning with different sub-$\sigma$-algebras)

Is the expectation of the derivative of the distribution function always 0?

How can $\sigma^2$ be derived as a function of $\mu$ in a Gaussian pdf?

Covariance of centred random vairables

Convergence in probability of non-negative random variable and expectation

is $E[W\mid X]P[X]$ the same as $E[W\Bbb 1\{X\text{ takes place}\}]$

are integration limit to find expected value from a pdf inclusive (or exclusive)?

$\Bbb E(X\mid X^2)=X$

Have I been rigorous in this simple argument with summation and expectation operators?

Prove of $E\left(|X+Y|^a\right)\ge E\left(|Y|^a\right)$?

Variance of combination of Brownian Motions

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