Mathematics, 03.04.2020 00:24, DeathFightervx

There are 15 marbles in a bag. 7 are red, the rest are a variety of colors. You want the chance of getting red to be at least 50%. How many red do you need to add?

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There are 15 marbles in a bag. 7 are red, the rest are a variety of colors. You want the chance of g...