ELI5: Explain Like I'm 5

Penney's game

Hey there! Do you know what a game is? A game is when we play something with rules, and we try to win by doing something better than someone else.

So, let me tell you about a game called Penney's game. It's a game that's played with coins or other things that have two sides, like heads and tails. The game is played by two people, and each person chooses a combination of three heads or tails in a row, like HHT or TTH.

Then, they take turns flipping the coins until one of the combinations appears. The person who picked the combination that appears first, wins the game!

Let me give you an example. Let's say you choose the combination TTH (tails, tails, heads) and I pick HHT (heads, heads, tails). We start flipping the coin, and after a few rounds, we get TTH. So, you win!

The cool thing about this game is that even though you have a 50-50 chance of getting heads or tails on each flip, some combinations are more likely to show up before others. So, it's not just about luck, it's also about strategy and understanding the probabilities.

So, next time you have some coins or similar objects, try playing Penney's game with a friend!
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