If \( \mathrm{P}(\mathrm{A})=1 / 4, \mathrm{P}(\mathrm{B})=1 / 2, \...
If \( \mathrm{P}(\mathrm{A})=1 / 4, \mathrm{P}(\mathrm{B})=1 / 2, \mathrm{P}(\mathrm{A} \cup \mathrm{B})=5 / 8 \), then \( \mathrm{P} \)
\( \mathrm{P} \) \( (\mathrm{A} \cap \mathrm{B}) \) is
W
(1) \( 3 / 8 \)
(2) \( 1 / 8 \)
(3) \( 2 / 8 \)
(4) \( 5 / 8 \)
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