... BuC.Then AnD = An(BuC) = (AnB)U(AnC) and P(Ac\D) = P(Ac\B) + P(AnC) - P(AnBnAnC) =P(Ac\B) + P{Ac\C) - P(Ac\Bc\C) Thus P{AuBuC)= P(A\jD) = P(A) + P(D) - P (AnD) = P(A) + P(B)+ P(C) - P(BnC) - [P(AnB) ... trials (i) / = Ш = -2 0 (»)/ = Ш = -1 5 (Ш) / = iZ±5BLii = -5 1 (iv) / = *^ =.52 3.23. Prove Corollary 3.6: For any events А, В and C, P(AuBuC) = P(A) + P(B) + P(C) - Р(АПВ) - P(AnC) - Р(ВПС) + Р(АПВПС) ... each point P represents an ordered pair (o, 6)of real numbers, and vice versa. 2 -3 -2 -1 2 О з • -1 -2 Example 1.13: Let A = {1,2,3} and В ={a,b}. Then AxBr {(l,a), A,6), B,o), B,6), C,o),C,6)}CHAP....