Three statisticians went out hunting, and came across a large deer. The first statistician fired, but missed, by a meter to the left. The second statistician fired, but also missed, by a meter to the right. The third statistician didn't fire, but shouted in triumph, "On the average we got it!"
Patient: " Will i survive this risky operation?"
Surgeon: "Yes I'm absolutely sure that you will survive the operation."
Patient: How can you be so sure?"
Surgeon: "9 out of 10 patients die in this operation, and just yesterday my ninth patient died!"
