Coding Horror

programming and human factors

The Problem of the Unfinished Game

Today's post is a simple question.

Let's say, hypothetically speaking, you met someone who told you they had two children, and one of them is a girl. What are the odds that person has a boy and a girl?

baby boy and girl

Consider your answer carefully, without doing a web search, or reading the comments to this post. Don't cheat -- but be prepared to explain your reasoning, because the solution might surprise you.

It's almost like some kind of conspiracy or something.

Written by Jeff Atwood

Indoor enthusiast. Co-founder of Stack Overflow and Discourse. Disclaimer: I have no idea what I'm talking about. Find me here: