Problem of the Day

Chapter 12, Lesson 2

use a tree diagram to list a sample space

Sharon has 3 shirts (red R, white W, and blue B) that she coordinates with 3 pairs of pants (red R, white W, and blue B).

This tree diagram shows all the different outfits, consisting of a shirt and a pair of pants, which are possible.

 
a. Use the tree diagram to make a list of all possible outcomes.
b. In how many of the outcomes do the shirt and pants have the same color?
c. In how many of the outcomes is at least one of the items (shirt or pants) red?