Equation (6) can be written in the following form: P(N1, N2) = N! N1!N2! p1N1 p2N2 , (8) with p1 = x1 e− w1 kT x1 e− w1 kT + x2 e− w2 kT , (9) p2 = x2 e− w2 kT x1 e− w1 kT + x2 e− w2 kT , (10) and p1 + p2 = 1, highlighting the...