You are presented with three doors. Two have worthless goats, and one of them has the prize: a new car! First, you choose a door. Then, a door with a goat is revealed. You are then asked if you want to switch doors. At first, it may seem useless to switch, but your odds do improve if you do. For example, at first, you have a 33.3% chance of choosing the car. Then, when you are asked to switch, you have a 50% chance of getting the car IF you switch. Try it out and see what I mean!