Question

a) Proof P(AUBUC)= P(A)+P(B)+P(C)−P(An B)-P(ANC)-P(BNC) +P(AnBnC) b) Let A, B, and C are independent, P(A)=0.3, P(B)= 0.4, P(C)=0.5 Find P(AU BUC)

Fig: 1