Find two random variables X and Y such that E(XY) does not equal E(X)E(Y)?
132392
Properties of Expectation
73367
On $E[E[Y|X]|X]= E[Y|X]$
88431
Jointly Gaussian uncorrelated random variables are independent
9505
Given $E[Y]=1$ , $E[Y^2]=2$ and $E[Y^3]=5$, Y non negative integer random variable, find min of $P[Y=0]$
137103
Random Gaussian Variables
90047
Difference of Gamma random variables
155114
Find the marginal pdf of $X$ and $Y$
78742
How to add two dependent random variables?
6077
Expectation of max of two normal random variables
120674
Find three Poisson-distributed random variables, pairwise independent but not mutually independent
26717
Distribution of the difference of two normal random variables.
1094
Expected Value of the maximum of two exponentially distributed random variables
121422
Independence between a constant random variable and another random variable.
100916
Finding $\mathrm{Cov}(X,Y)$ and $E(X\mid Y=y)$ given the joint density of $(X,Y)$
13831
Find $ P(Z>X+Y)$ where $X,Y,Z \sim U(0,1)$ independently
59577
Simple examples of uncorrelated but not independent $X$ and $Y$
42212
iterated expectation conditional on two variables