ElizzyLangbrii ElizzyLangbrii

18-08-2016
Mathematics

contestada

there are 7 white, 4 blue and 3 red marbles in the box. we are randomly taking marbles one by one (without returning in the box). what is probability of taking the white marble before the red marble? thanks

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Enzolito Enzolito

18-08-2016

It is probable its 25%

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