### Home > A2C > Chapter 10 > Lesson 10.1.1 > Problem10-10

10-10.

Eddie told Alfred, “I'll bet if I flip three coins I can get exactly two heads.” Alfred replied, “I'll bet I can get exactly two heads if I flip four coins!” Eddie scoffed, “Well, so what? That's easier.” Alfred argued, “No, it's not. It's harder.” Who is correct? Show all of your work and be prepared to defend your conclusion.

Make a diagram for both cases.

$\text{The probability is }\frac{3}{8}\text{ in both cases.}$