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Home > CCA2 > Chapter 11 > Lesson 11.1.2 > Problem 11-24
11-24.
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.
Make a tree diagram and calculate the probabilities.