# Conditional Probability and Independence with Fathom

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The Common Core State Standards for high school include the following probability standards:

- Conditional Probability and the Rules of Probability
- Using Probability to Make Decisions

Fathom is a powerful simulation tool that can help these concepts come alive for your students. This session will demonstrate how Fathom can be usedâ€”along with physical simulation tools such as dice, coins, and countersâ€”to help students understand conditional probability and the related concept of independence. Participants will also see how Fathom can help students understand the addition and multiplication rules of probability.

## Presenter

### Corey Andreasen

Corey Andreasen teaches mathematics at North High School in Sheboygan, Wisconsin. He is a National Board Certified Teacher, co-editor of the Activities department of *Mathematics Teacher,* and associate editor of *Wisconsin Teacher of Mathematics.* He is also a consultant for Key Curriculum’s Fathom^{®}Dynamic Data software. Corey holds a Bachelor’s degree in mathematics and a Master’s degree in mathematics education from the University of Minnesota.