List questions from expectation

Published on 25 Mar 2026 - 17:29

139

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Probability: Expected number of randoms from $0$ to $1$ needed to exceed $1$

Published on 20 Apr 2018 - 17:35

40

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If P(X>Y)=m and P(X>k)=m then E(Y) =k

Published on 21 Apr 2018 - 4:41

171

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Finding a probability function for the max and expectations

Published on 25 Mar 2026 - 12:21

113

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Convergence in distribution for nonnegative R.V.s

Published on 21 Apr 2018 - 9:54

1.8k

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Product of the three numbers obtained by rolling three dice. Expectation and Variance

Published on 25 Mar 2026 - 22:04

100

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Gaussian Definite Integral for Gaussian random variables

Published on 22 Apr 2018 - 4:33

58

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Show that $E[M_{\tau}] = E[M_{m}]$ where $\tau = a 1_{A} + b 1_{A^{C}}$

Published on 24 Mar 2026 - 22:12

986

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Let $ X $ Be the Number of Faces that Never Showed Up in $ n $ Dice Rolls - What's $ \mathbb{E} \left[ X \right] $?

Published on 22 Apr 2018 - 19:45

1.2k

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Moments of products of independent random variables: $E[ X^kY^k ]$

Published on 20 Mar 2026 - 1:38

205

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Finding the expectation of an pdf to the exponential family

Published on 26 Mar 2026 - 2:47

151

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Given a family of probability distributions that are "close to each other" and have expected values 1, 2, 3..., find a lower bound on their variance

Published on 25 Mar 2026 - 15:57

313

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Probability and expected value of uniform random variables sum

Published on 24 Apr 2018 - 13:12

98

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Why is it bad to multiply two expectations of the same variable?

Published on 25 Mar 2026 - 6:27

204

Views

Coupon Collector Problem: Expectation for a Fraction of Unique Samples

Published on 25 Mar 2026 - 7:21

List Question

Limit of probability expression

Probability: Expected number of randoms from $0$ to $1$ needed to exceed $1$

If P(X>Y)=m and P(X>k)=m then E(Y) =k

Finding a probability function for the max and expectations

Convergence in distribution for nonnegative R.V.s

Product of the three numbers obtained by rolling three dice. Expectation and Variance

Gaussian Definite Integral for Gaussian random variables

Show that $E[M_{\tau}] = E[M_{m}]$ where $\tau = a 1_{A} + b 1_{A^{C}}$

Let $ X $ Be the Number of Faces that Never Showed Up in $ n $ Dice Rolls - What's $ \mathbb{E} \left[ X \right] $?

Moments of products of independent random variables: $E[ X^kY^k ]$

Finding the expectation of an pdf to the exponential family

Given a family of probability distributions that are "close to each other" and have expected values 1, 2, 3..., find a lower bound on their variance

Probability and expected value of uniform random variables sum

Why is it bad to multiply two expectations of the same variable?

Coupon Collector Problem: Expectation for a Fraction of Unique Samples

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