$A$ 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

$P(A)=0.85,\ P(B')=0.75$

N2004 P2 Q23

N2004 P2 Q23

Video Solution:

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