$A$ and $B$ are events such that $\mathrm{P}\left( A\cup B \right)=0.9$, \(\mathrm{P}\left( A\

Question

$A$ and $B$ are events such that $\mathrm{P}\left( A\cup B \right)=0.9$, $\mathrm{P}\left( A\cap B \right)=0.2$ and $\mathrm{P}\left( A|B \right)=0.8$. Find $\mathrm{P}\left( A \right)$ and $\mathrm{P}\left( B' \right)$.[4]

Accepted Answer

$	ext{P}\left( A ight)=0.85$, $	ext{P}\left( B' ight)=0.75$, $A$ and $B$ are not independent events.

N2004 P2 Q23

N2004 P2 Q23

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