StatisticsChallengeRandom Variables ShareRandom Variables · Challenge problemFor two random variables, Var(X)=9\text{Var}(X) = 9Var(X)=9, Var(Y)=16\text{Var}(Y) = 16Var(Y)=16 and Var(X+Y)=37\text{Var}(X + Y) = 37Var(X+Y)=37. Which conclusion is justified?AXXX and YYY are not independentBXXX and YYY are independentCThe standard deviation of X+YX + YX+Y is 777DVar(X−Y)=37\text{Var}(X - Y) = 37Var(X−Y)=37 as wellCheck Show answer Walk through it step by step Practice more like this Review this concept