### Home > INT2 > Chapter Ch4 > Lesson 4.2.1 > Problem 4-67

4-67.

Make a tree diagram for all the possible outcomes.

What is the probability Greg uses his MP3 player?

Remember that Greg uses his MP3 player for two of the four activities.

4-67.

Make a tree diagram for all the possible outcomes.

What is the probability Greg uses his MP3 player?

Remember that Greg uses his MP3 player for two of the four activities.