Question

1. Consider the joint pdf f(x1,x2) = 3x1, if 0 ≤ x2 ≤ x1 ≤ 1...

1. Consider the joint pdf
f(x1,x2) =

3x1, if 0 ≤ x2 ≤ x1 ≤ 1

0 elsewhere.

(a) Calculate P(X1 < 3/4 ,X2 < 1/4).
(b) Calculate E[3X1X2].

Math   Statistics-And-Probability   
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