find the expectation and the variance
136017
Probability density function sand question
141138
Calculate variance and standard deviation for Log Normal Distribution
143742
Variance of sum of random number of random variables (Cambridge University Worksheet)
153669
Conditional expectation of a bivariate normal distribution
19471
Expectation of an absolute value of a normal random variate
37371
Why is expected value of random variable equal to mean
101627
Variance of product of 2 independent random vector
102030
Getting the expectation symbol to behave like $\sum$ instead of $\Sigma$
140650
Find the distribution of sum and product of standard normal random variables
115886
E/Var of a random variable on three events
156537
Recursive formula for variance
99062
Intuitive explanation of variance and moment in Probability
95123
General solution of expected value of E(f(X))?
38032
Finding the M.G.F of product of two random variables.
27788
Why is the expected value $E(X^2) \neq E(X)^2$?
32647
How to calculate the variance of a partition of variables
74434
Find expected value of $\frac{1}{1+\xi}$