Answer:
See the table below.
Explanation:
They are provided that the students has to select new colors for the hats and the pants of the marching band uniforms.
The color options for each item are:
yellow (Y), green (G), or black (B).
The sample space for the color selection of hats and pants is:
Sample Space
Hats Pants
Y Y
Y G
Y B
G Y
G G
G B
B Y
B G
B B
There are a total of 9 possible selections of combinations.