Feel a bit cheeky for asking, but I'd appreciate some opinions on a debate that has come up where I work.
If you know that something cannot happen, is it approriate to say that it has a probability of zero, or is probability an inapproriate concept in that situation.
I can see that a result which produces a probability of zero is useful.
I'm talking more about assigning a probability (or liklihood) of zero (or one) to some event, rather than determining via probabilites that something has zero probability.