Random graph

You are a dot in social media.

You connect with blue and yellow, although blue and yellow may be also connected. You don't care.

You are isolated. P=0.

This is perfect. P=1.

You see binomial distribution.

G(n,p)

n is vertex.

This contains 31 vertices.

This has 32291925 vertices.

This is called The Hadwiger-Nelson Problem.