If the joint distribution function of X and Y is given by F_{XY}(X,Y) = {\\begin{array}{c}1−e^{−x\end{array}−e^{−y} + e^{−(x + y)};x > 0,y > 0 ; \text{ 0,elsewhere} ; }. then E(X), E(Y) is equal to:

Correct Answer is : 1, 1 respectively

SSC CGL Tier II (JSO) 4 March 2023 Paper

Question : 89 of 100

Marks: +1, -0

If the joint distribution function of X and Y is given by

F_{XY}(X,Y) = {\{\table 1−e^{−x}−e^{−y} + e^{−(x + y)};x > 0,y > 0 ; \text" 0,elsewhere" ; }.

then E(X), E(Y) is equal to:

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