P(A∩B)=P(B)*P(A|B)=0.6*0.05=0.03
P(A)=P(A∩B)+P(A∩Bc )
P(A∩Bc)=P(A)-P(A∩B)=0.15-0.03=0.12
P(B)=P(A∩B)+P(Ac∩B )
P(Ac∩B)=P(B)-P(A∩B)=0.6-0.03=0.57
之後將資料輸入以下表格,可得到P(Ac∩Bc )=0.4-0.12=0.28
B
Bc
Total
A
0.03
0.12
0.15
Ac
0.57
0.28
0.85
0.6
0.4
1
P(Ac |Bc)=P(Ac ∩Bc)/P(Bc)=0.28/0.4=0....
P(Ac |Bc)=P(Ac ∩Bc)/P(Bc)=0.28/0.4=0.7
P(Ac ∩Bc)=1-P(AUB)=1-(0.15+0.6-0.03)=0.28
31 假設 P(A|B)=0.05, P( A )=0.15, P( B )=0..-阿摩線上測驗