Being in a bar, you start chatting to a guy who provides you a difficulty. He hands you 5 red and 2 black cards. After shuffling, you lay them on the bar, deal with down. He bets you that you can not turn over three red cards. And to help you, he explains the chances. When you draw the first card, the odds are 5-2 (5 red cards, two black cards) in favour of choosing a red card. The 2nd draw is 4-2 (or 2-1) and the 3rd draw is 3-2. Each time you draw a card the odds seem in your favour, in that…See More