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An Investment Firm Has Classified Its Clients According to Their

question 91

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An investment firm has classified its clients according to their gender and the composition of their investment portfolios (primarily bonds, primarily stocks, or a balanced mix of bonds and stocks). The proportions of clients falling into the various categories are shown in the following table:
Portfolio Composition  Gender  Bonds  Stocks  Balanced  Male 0.180.200.25 Female 0.120.100.15\begin{array} { | l | c | c | c | } \hline \text { Gender } & \text { Bonds } & \text { Stocks } & \text { Balanced } \\\hline \text { Male } & 0.18 & 0.20 & 0.25 \\\hline \text { Female } & 0.12 & 0.10 & 0.15 \\\hline\end{array} One client is selected at random, and two events A and B are defined as follows:
A: The client selected is male.
B: The client selected has a balanced portfolio.
Express each of the following probabilities in words.
a. P(A | B).
b. P(B | A).
c. P(A | Bˉ\bar { B } ).
d. P( Aˉ\bar A | B).


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