3.Consider two random variables X and Y with joint pdf
61de36cecf595.jpg Which of the following statements is correct?
(A) E[X]=1/2
(B) P(X+Y≤1)=1/2
(C) E[XY]=1/3
(D) Xand Y are uncorrelated
(E) X and Y are independent f(x,y)=段古

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統計： A(0), B(0), C(2), D(0), E(1) #2852329