Cards, Probabilities and the Anthropic Principle
Pick a Card, Any Card Let's suppose you go to visit your friend, Bobbie. As you spend a fine evening talking about old times, she pulls out a deck of cards and begins to shuffle it. You note that she is shuffling it thoroughly. She fans the cards out and asks you to pick one. You pick one at random and it turns out to be the jack of clubs. Returning the card to the deck, Bobbie thoroughly shuffles the cards several more times then fans them out and asks you to once again pick a random card. You do so only to find that you have picked ... the jack of clubs. What an interesting coincidence. You return the card to Bobbie and she repeats the process of shuffling the cards thoroughly. Now, being the third time, you are shocked to find that you have once again picked the jack of clubs. You are probably thinking that this is getting weird. After all, picking the same card twice was pretty incredible, but three times in a row? That's pretty darned unlikely. When she shuffles the cards ...