A crowd in an auditorium is watching as an older man is having his facial hair trimmed by another man .
There is almost no chance that the man getting his hair trimmed is a volunteer from the crowd .
Chances are about even that the man getting his hair trimmed is a volunteer from the crowd .
There is almost no chance that the man getting his hair trimmed is a volunteer from the crowd .
The man getting his hair trimmed is a volunteer from the crowd .