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Bivariate Probability Distribution and Joint Density Functions

Let X1 and X2 have the joint density function given by:

f(x1,x2) = { 3*x1 0<=x2<=x1<=1
0 elsewhere}

a) Find E(X2)
b) Find E(X2|X1 = x1)
c) Use the conditional expectation formula: E(X1) = E[E(X1|X2)] to find E(X2)

Solution Summary

Bivariate Probability Distribution and Joint Density Functions are investigated. The solution is detailed and well presented. The response was given a rating of "5/5" by the student who originally posted the question.

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