### Home > GC > Chapter 8 > Lesson 8.1.4 > Problem8-42

8-42.

Multiple Choice: A penny, nickel, and dime are all flipped once. What is the probability that at least one coin comes up heads?

1. $\frac{1}{3}$

1. $\frac{3}{8}$

1. $1$

1. $\frac{7}{8}$

Draw a tree diagram that illustrates all the possible combinations that could occur.
Then add up the probabilities of each combination that includes a coin coming up heads.

Use the eTool below to support your ideas!
Click on the link at right for the full eTool version: GC 8-42 HW eTool