On Mon, Nov 26, 2018 at 4:05 AM Luciano Notarfrancesco <luchiano@gmail.com> wrote:

1 to 254 have probability 1/254 while 0 has probability 2/254

Oops, that should be 1/256 and 2/256, sorry.

When probabilities don't sum 1, unexpected things can happen ;)