问题如下：
Based on the probabilities in the diagram below, what is the value of the following?
Pr(B|A)
选项：
A.30%
B.40%
C.38%
D.43.8%
解释：
Pr(B|A) = Pr(A∩B)/Pr(A) = (11% + 10%)/48% = 43.8%
48%怎么求出来的
NO.PZ2020010301000012 问题如下 Baseon the probabilities in the agrbelow, whis the value of the following?Pr(B| A.30% B.40% C.38% 43.8% Pr(B|= Pr(A∩B)/Pr(= (11% + 10%)/48% = 43.8% Pr(B|= Pr(A∩B)/Pr(
NO.PZ2020010301000012 40% 38% 43.8% Pr(B|= Pr(A∩B)/Pr(= (11% + 10%)/48% = 43.8% 看图的话为啥不是中间交集的两个百分比直接加，先让a发生，在a发生的情况下看看b的哪部分发生
