Reminds me of this Dilbert comic[0]. You're correct that you can never prove that a sequence is not random. But looking at the probabilities could be enough to

Reminds me of this Dilbert comic[0]. You're correct that you can never prove that a sequence is not random. But looking at the probabilities could be enough to prove tampering beyond reasonable doubt. At the very least this would be enough to launch an investigation even if we were unwilling to draw conclusions based on probability alone. [0] https://dilbert.com/strip/2001-10-25 https://dilbert.com/strip/2001-10-25