Molly plans to sew together a costume for the school play. She has one of each of the following colors
of buttons in her pocket:
· Black
· Green
· Red
· White
All of the buttons are the same size and shape.
Molly will select one button from her pocket without looking.
1) What is the probability that she will select a red button? Show or explain your answer.

Molly also has a bag of ribbons made of the same material and are all the same size. She has one each
of the following colors of ribbon in her bag:
· Black
· White
· Yellow
Molly will select one button from her pocket and one ribbon from her bag without looking.
2) Make a tree diagram or organized list showing all the possible combinations of one button and one ribbon
that Molly could select.

3) What is the probability that Molly will select a black button and a black ribbon? Show or explain how you got
your answer.

4) What is the probability that Molly will select a button and a ribbon that are different colors from each other?
Show or explain how you got your answer