When intuition and math probably look wrong
A twist on the Two Children Problem shows how information can steer what looks probable
I have two children, one of whom is a son born on a Tuesday. What is the probability that I have two boys?
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2010/06/12662.gif?resize=266%2C300&ssl=1)
Every print subscription comes with full digital access
A twist on the Two Children Problem shows how information can steer what looks probable
I have two children, one of whom is a son born on a Tuesday. What is the probability that I have two boys?
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
Not a subscriber?
Become one now.