A) always
B) if\[E(X+Y)=E(X)+E(Y)\]is true
C) if \[X\] and \[Y\] are independent
D) if \[X\] can be obtained from \[Y\] by a linear transformation
Correct Answer: C
Solution :
We know that the relationship - \[E(XY)=E(X)\cdot E(Y)\]holds, when X and Yare independent variables.You need to login to perform this action.
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