That you will never be worse by switching doesn’t mean that you will always be better. https://news.ycombinator.com/item?id=24713352 https://news.ycombinator.c

That you will never be worse by switching doesn’t mean that you will always be better. https://news.ycombinator.com/item?id=24713352 https://news.ycombinator.com/item?id=24713352 When he shows (randomly from the doors you didn’t pick) the car, switching to open door (where the car is) and the other door (which hides a goat) you increase your chances from 0% to 100%. When he shows a goat, switching to the open door (where there is a goat) and the other door (which may or may not hide the car) your chances stay at 50%.