List questions from expectation

Published on 10 Apr 2026 - 21:09

51

Views

Evaluate $\int\limits_{x=\alpha}^{2} x e^{-a x^2}\frac{p/x^2+c}{(p/x^2-t)^2}dx$

Published on 14 May 2017 - 4:48

60

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Prove characterization of the finiteness of $E \left[ |X| \right]$ by the behaviour of expectations $E \left[ |X| \mathbb{1}_{A}\right]$

Published on 14 May 2017 - 13:39

182

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Expected Distance of Closer of Two Random Points to center of Unit Square

Published on 14 May 2017 - 16:56

23.6k

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Expected number of unpecked chicks - NYT article

Published on 15 May 2017 - 21:14

37

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Is $\int_{-\infty}^C t f_X(t) dt =F_X(C)\cdot E[X\vert X\leq C]$?

Published on 12 Apr 2026 - 7:34

2.9k

Views

Function Composition and Expected Value

Published on 26 Mar 2026 - 6:17

549

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Expected Value of "Double" Random Variable

Published on 12 Apr 2026 - 9:43

32

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Solution to an ODE $f'(t) = S(0) + \mu f(t)$

Published on 03 Apr 2026 - 19:08

181

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Mean and Variance of Linearity of the expectation operator

Published on 11 Apr 2026 - 12:11

159

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What does lower bound maximization mean?

Published on 12 Apr 2026 - 17:01

120

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Estimator for $\log \mathbb{E}\left[h(x)\right]$

Published on 30 Mar 2026 - 21:08

74

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Simple Random Walk estimate

Published on 11 Apr 2026 - 5:27

4.5k

Views

Proof of Expected Value for Independent random variables with two possibilities

Published on 11 Apr 2026 - 8:19

147

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Is $E\left(\frac{X}{X+Y}\right)=\frac12$ when $X$ and $Y$ follow the same probability distribution?

Published on 19 May 2017 - 19:25

List Question

On average, where is the lift?

Evaluate $\int\limits_{x=\alpha}^{2} x e^{-a x^2}\frac{p/x^2+c}{(p/x^2-t)^2}dx$

Prove characterization of the finiteness of $E \left[ |X| \right]$ by the behaviour of expectations $E \left[ |X| \mathbb{1}_{A}\right]$

Expected Distance of Closer of Two Random Points to center of Unit Square

Expected number of unpecked chicks - NYT article

Is $\int_{-\infty}^C t f_X(t) dt =F_X(C)\cdot E[X\vert X\leq C]$?

Function Composition and Expected Value

Expected Value of "Double" Random Variable

Solution to an ODE $f'(t) = S(0) + \mu f(t)$

Mean and Variance of Linearity of the expectation operator

What does lower bound maximization mean?

Estimator for $\log \mathbb{E}\left[h(x)\right]$

Simple Random Walk estimate

Proof of Expected Value for Independent random variables with two possibilities

Is $E\left(\frac{X}{X+Y}\right)=\frac12$ when $X$ and $Y$ follow the same probability distribution?

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