Egg Roulette

I find probability to be one of the most difficult topics for students to grasp. Beyond the simple experiments of spinners, coins, and dice, students have issues operating on uncertainty. This issue is compounded when multiple events each involve such a calculation as well as the relationship between them. Soon they find themselves neck-deep in notation and lose all rationality–they forget what they are solving to begin with.  This past week we found ourselves mired in another battle with conditional probability. The initial questions were completed at a high level: Sally draws two cards from a standard deck without replacement. …

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