B

$P\left(f\left(x,B\right)\in +\right)$

$P\left(f\left(x,B\right)\in -\right)$

$P\left(f\left(x,B\right)\in ○\right)$

x₁

1

0

0

x₂

0

0.978

0.023

x₃

0.190

0.700

0.110

x₄

0.133

0.433

0.434

x₅

0

1

0

x₆

0.400

0.500

0.100