This chapter covers problems where you're supposed to find the probability of one thing "given" something else. Definitely check out the contingency tables videos because they are your best friend for dependent probability problems in statistics. Even if it's a word problem, cook up your own contingency table, it's safer than plug-and-chug!
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If you do not have an account, you should get one, because it is awesome! You can save a playlist for each test or each chapter, and save your "greatest hits" into a "watch right before the final" list (not that we recommend cramming, but when in Rome...)