Diberikan n(S)=56, n(A)=11, n(B)=15, n(C)=14, n(A n B)=5,

Diberikan n(S)=56, n(A)=11, n(B)=15, n(C)=14, n(A n B)=5, n(A n C)=3, n(B n C)=6, dan n(A n B n C)=2. Tentukanlah: a. P(A U B U C), b. P(A^c n B^c n C^c).