For a discrete variable XXX with P(X=0)=0.5,P(X=1)=0.5P(X=0)=0.5, P(X=1)=0.5P(X=0)=0.5,P(X=1)=0.5, what is E[X2]E[X^2]E[X2]?
0.25
0.5
1
0