A man phones a mental hospital and asks the receptionist...
A man phones a mental hospital and asks the receptionist if there is anybody in room 27. She goes and checks, and comesback to the phone, telling him No, the room is empty. "Good," says the man. "That means I must have really escaped."

At a jury trial with the jury consisting of 8 men and 4 women...
At a jury trial with the jury consisting of 8 men and 4 women:Defendant: "Your Honor, I wish to change my plea."Judge: "Is someone using undue influence to prompt you to change your mind?"Defendant: "No sir, when I pleaded Not Guilty I didn't know there would be women on the jury. Since I can't even fool my wife, I'll never be able to fool the four women jurors."