Not a joke at all. But it is a source of flamewars as virulent as Monty Hall and 0.999 repeating. :)
ArisKatsaris explained it well, giving the fully correct setup, so I won’t add anything more.
Not a joke at all. But it is a source of flamewars as virulent as Monty Hall and 0.999 repeating. :)
ArisKatsaris explained it well, giving the fully correct setup, so I won’t add anything more.