List questions from expectation

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Prove that two random variables have covariance zero

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Roll an N sided die K times. Let S be the side that appeared most often. What is the expected number of times S appeared?

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Covariance matrix of multivariate Gaussian

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Concretize this geometric interpretation of the expected number of trials for a certain result.

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Construction of non-negative random variables with fixed expectation to maximize probability

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Expected Value of Greatest Integer Random Variable

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Upper bound on symbol set's cardinality

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Two distinct dice, expected value

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When is the expected time of the death of a lightbulb given a constant risk of death?

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Find joint expectation value $\mathbb E(\sqrt{X^2+Y^2})$

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Expected Conditional Variance inequality

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Proof: Cauchy distribution no moments

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Proof $\rho(X,Y)=\pm1$, only for special cases

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Expected value problem, investment in the stock market

Published on 30 Jan 2017 - 21:05

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Optimal Stake for coin flip game

Prove that two random variables have covariance zero

Roll an N sided die K times. Let S be the side that appeared most often. What is the expected number of times S appeared?

Covariance matrix of multivariate Gaussian

Concretize this geometric interpretation of the expected number of trials for a certain result.

Construction of non-negative random variables with fixed expectation to maximize probability

Expected Value of Greatest Integer Random Variable

Upper bound on symbol set's cardinality

Two distinct dice, expected value

When is the expected time of the death of a lightbulb given a constant risk of death?

Find joint expectation value $\mathbb E(\sqrt{X^2+Y^2})$

Expected Conditional Variance inequality

Proof: Cauchy distribution no moments

Proof $\rho(X,Y)=\pm1$, only for special cases

Expected value problem, investment in the stock market

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