Fill in the blanks in following table :

$P(A)$ $P(B)$ $P(A \cap B)$ $P (A \cup B)$
$0.35$  ........... $0.25$  $0.6$

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Here, $P(A)=0.35$,  $P(A \cap B)=0.25$,  $P(A \cup B)=0.6$

We know that $P (A \cup B)= P ( B )+ P ( B )- P (A \cap B)$

$\therefore $  $0.6=0.35+ P ( B )-0.25$

$\Rightarrow $  $P ( B )=0.6-0.35+0.25$

$\Rightarrow $  $P ( B )=0.5$

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