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I am a retired professor of electrical and computer engineering with a lifetime of experience teaching probability and statistics to reluctant engineering undergraduates.


May
18
answered How to compute expectation for poisson distributed variable in context of binomial?
May
11
answered How to show that $E[(\hat\theta -\theta)^2]<Var(\bar X)=\dfrac{1}{n}$?
May
7
answered Show that $G(x)$ is a distribution function and find mean
May
6
answered Asymptotic probability concerning the largest absolute value in an iid Gaussian sample
May
6
answered Simple homework question about normally distributed variables
May
4
answered Find the expected value of $(\bar X_n-p)^3$
Apr
29
answered Probability to be less the expectation
Apr
27
answered Transform hazard rates to other time intervals
Apr
15
answered mutually exclusive definition
Apr
15
answered Finding the bionomial probability?
Mar
31
answered Relationship between poisson and gamma
Mar
24
answered Conditional expectation of exponential random variable
Mar
22
answered How to get from joint distribution F(x,y) to f(x,y) to calculate the marginal distribution of X?
Mar
19
answered Variance of product of multiple random variables
Mar
10
answered Show that $E(XY) = σ_{XY} + μ_Xμ_Y$?
Mar
9
answered contrapositive of probability
Mar
8
answered Constant hazard in survival analysis and random event occurence
Mar
7
answered The sum of two independent gamma random variables
Mar
6
answered Why does the correlation coefficient between X and X-Y random variables tend to be 0.7
Mar
1
answered Obtaining marginal distributions from the bivariate normal