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Mathematics, 22.03.2021 21:50 binu

Ethan has 12 coins. There are three 10p coins and nine 20p coins 20p coins. Ethan chooses 3 coins at random. Work out the probability that he takes exactly 50p.​

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Ethan has 12 coins. There are three 10p coins and nine 20p coins 20p coins. Ethan chooses 3 coins at...

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