If \( \mathrm{A} \) and \( \mathrm{B} \) are independent events suc...

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If \( \mathrm{A} \) and \( \mathrm{B} \) are independent events such that
\( \mathrm{P} \) \( P(B)=\frac{2}{7}, P(A \cup \bar{B})=0.8 \), then \( \mathrm{P}(\mathrm{A})= \)

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