In probability puzzles where you know at least one of two items has a certain property, the probability that both items share that property is not always 50% as commonly assumed; for example, when two tokens each have an equal chance of being gold or silver, and you learn that at least one is gold, the probability that both are gold is actually 1/3, not 1/2, because the possible outcomes are (gold, gold), (gold, silver), and (silver, gold), with only one of these three equally likely scenarios having both tokens as gold.
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Only 1% Can Solve This Simple Math Test 🧠 #brainteasers #logicpuzzlesAjouté :
Two vibrating holographic tokens [music] float before you. Every token has an equal chance to be neon gold or electric silver.
Both are completely hidden inside dark energy spheres. I scan them and reveal that at least one token is gold. Most people guess a 50% chance remains. What is the exact mathematical probability both are gold? Comment your answer.
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