This math topic focuses on probability, specifically calculating the chances of flipping a mixed set of coins (not both heads or both tails). The problems require forming equations to express these probabilities. This is part of an introductory unit on Probability and Counting involving multiple events. Each problem provides several equation options (such as fractions involving the probabilities of different combinations) as potential answers, and the student must determine the correct one based on the scenario described.
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What is the equation for the chance of flipping a mixed set (not both heads or both tails) on these coins?