I agree it is generally accepted that it takes a smart person to be funny and have the audience laugh with you.
Sadly sometimes a situation can be funny where the audience will laugh at the person.
http://www.youtube.com/watch?v=QqSmO4IYlPU
http://www.youtube.com/watch?v=Wq_NXSt_lvk
According to some statistics blondes score marginally better than average.
There are dumb members in all catagories.
Enjoy the videos.