P(Ac ∩B c )=1-P(AUB)
P(AUB)=P(A)+P(B)-P(A∩B)=0.3+0.4-0.3*0.4=0.58
因此P(Ac ∩B c )=1-0.58=0.42
7 若 P(A) = 0.3,P(B) = 0.4,且 A 的餘集合 Ac 與..-阿摩線上測驗
This is a large modal.