How Does [Probability Interview 7] Unfair coin 5 tosses (Facebook) Work?

Imagine you have a coin that doesn’t always land on heads or tails fairly, it's like a sneaky friend who sometimes lies to you.

You get to flip this coin 5 times, and your job is to guess the secret rule of how often it lands on heads. It’s kind of like playing a game where the coin has its own favorite side, and you have to figure out which one that is by watching it play 5 rounds.

This unfair coin might favor heads more than tails, or maybe tails! Imagine it’s like a toy that sometimes rolls to one side when you push it. Each time you flip the coin, it acts like it's choosing between two options: heads or tails. But instead of being completely random, it has a little bias.

You’re not just flipping, you're doing detective work. You count how many times it lands on each side out of 5 tries. That gives you a clue about what the coin prefers, and that’s how you solve this fun puzzle! Imagine you have a coin that doesn’t always land on heads or tails fairly, it's like a sneaky friend who sometimes lies to you.

You get to flip this coin 5 times, and your job is to guess the secret rule of how often it lands on heads. It’s kind of like playing a game where the coin has its own favorite side, and you have to figure out which one that is by watching it play 5 rounds.