Second law- probability Number of (indistinguishable) ways of placing L of the molecules in the left bulb N W L! ( N-L Probability WL/2 maximum if L=N/2 √ With n=1023,p(L=R±1010)=10434 possible but extremely unlikelySecond Law - Probability L ƒ Number of (indistinguishable) ways of placing L of the N molecules in the left bulb: ƒ Probability WL / 2N maximum if L = N / 2 9 With N = 1023, p ( L = R ± 10-10 ) = 10-434 possible but extremely unlikely