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Solução<br />
[29+,35-]<br />
True False<br />
[21+, 5-] [8+, 30-]<br />
T = [29+,35-]<br />
info([29+,35-]) = 0.99<br />
info(X 1 ,[29+,35-]) = 0.73<br />
info(X 2 ,[29+,35-]) = 0.89<br />
X 1 =? X 2 =?<br />
A B<br />
[18+, 32-] [7+, 1-]<br />
gain(X 1 ,T) = info(T) – info(X 1 ,T)<br />
= 0.99 – 0.73 = 0.26<br />
gain(X 2 ,T) = info(T) – info(X 2 ,T)<br />
= 0.99 – 0.89 = 0.10<br />
Ganho máximo é obtido com X 1<br />
[29+,35-]<br />
C<br />
[4+, 2-]<br />
43