Probability

In: SAT Subject Tests

You’re likely to see a question about probability on the Math Level 2 Subject Test, but don’t overthink them – usually the solutions are more straightforward than you might expect and won’t require you to use fancy combinatorics or crazy calculations. Here’s an example. Try this problem first & then watch the solution video to see a radically simple solution.

About the Author:

I’m Rob Schombs, the founder of Reason Prep, creator of these videos, and your test prep tutor. I earned a BA in Chemistry (2006) and an MA in Science and Technology Studies (2009) from Cornell University. In 2010 I started tutoring SAT, ACT, math, chemistry, and writing full-time, and Reason Prep followed shortly after!