Question $23(3\mathrm{.}5$ points$)$

If $P(A)=0\mathrm{.}25$ and $P(B)=0\mathrm{.}65,$ then and $B$ is:

$0\mathrm{.}25$

$0\mathrm{.}40$

$0\mathrm{.}90$

This cannot be determined from the inform