zaynarush1 zaynarush1

25-02-2017
Mathematics

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In a large bag of marbles, 25% of them are red. A child chooses 4 marbles from this bag. If the child chooses the marbles at random, what is the chance that the child gets exactly three red marbles?

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wolfie6 wolfie6

27-02-2017

it's a 75% chance that he gets exactly three red marbles

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