### Home > CCA2 > Chapter 11 > Lesson 11.1.2 > Problem 11-24

11-24.

Eddie told Allison,*“I’ll bet if I flip three coins, I can get exactly two heads.”*

Allison replied, “*I’ll bet I can get exactly two heads if I flip four coins!*”

Eddie scoffed, “*Well, so what? That’s easier.*”

Allison argued, “*No, it’s not. It’s harder*.”Who is correct? Show all of your work and be prepared to defend your conclusion. Homework Help ✎

Make a tree diagram and calculate the probabilities.