This math topic focuses on calculating the probability of not achieving specific results (all heads or all tails) when flipping coins, expressed as fractions. The problems involve the outcome of flipping coins two at a time, and students must calculate the complementary probability (i.e., 1 minus the probability of the specific event happening). The problems appear to increase in complexity and help foster understanding of basic probability concepts within the context of multiple events.
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What is the chance of NOT flipping both tails on these coins?