Major Tom
Thinks s/he gets paid by the post
A back in 45 minutes sign isn't entirely useless. If the person who posted it is good at timekeeping, it means you won't have more than 45 minutes to wait, at the worst.
I think most of us here are familiar with the concept of expecting a possible range of outcomes, with one particular worst case scenario aren't we?
I think most of us here are familiar with the concept of expecting a possible range of outcomes, with one particular worst case scenario aren't we?