Let X,YX, YX,Y independent: P(X=1)=0.5,P(X=2)=0.5P(X=1)=0.5, P(X=2)=0.5P(X=1)=0.5,P(X=2)=0.5 and P(Y=0)=0.3,P(Y=1)=0.7P(Y=0)=0.3, P(Y=1)=0.7P(Y=0)=0.3,P(Y=1)=0.7. What is E[X+Y]E[X+Y]E[X+Y]?
1.21.21.2
1.71.71.7
2.02.02.0
2.22.22.2