XXX is standardized if which conditions hold?
E[X]=0E[X] = 0E[X]=0 and Var(X)=1Var(X) = 1Var(X)=1
E[X]=1E[X] = 1E[X]=1 and Var(X)=0Var(X) = 0Var(X)=0
X∼N(0,1)X \sim N(0,1)X∼N(0,1)
P(X=0)=1P(X=0) = 1P(X=0)=1