Suppose P(A∣B)=0.6P(A|B) = 0.6P(A∣B)=0.6 and P(A∣Bc)=0.4P(A|B^c) = 0.4P(A∣Bc)=0.4. If P(B)=xP(B) = xP(B)=x, for what value of xxx are AAA and BBB independent?
0.2
0.4
0.5
No such xxx exists