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Introduction to dependent probability

Deciding whether you want to play a game at a strange casino.

Example: Getting two questions right on an exam

Probability of two independent events occuring.

Example: Rolling even three times

Another example showing the probability of rolling an even number three times in a row.

Practice thinking about number of solutions to systems

Going through a few examples on the Khan Academy practice exercise: http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/e/solutions_to_systems_of_equations