In a game show, there are 40 doors. One of the doors has a brand new car behind it. If you get to open three doors, what is the probability that you win the car?
The probability that you don't get the car is p = (39/40)*(38/39)*(37/38) = 37/40
Hence the probability that you do get the car is 1 - 37/40 = 3/40
