Mathematics, 23.09.2019 16:10 isiss18

Abag contains 7 red marbles, 4 blue marbles and 5 green marbles. if two marbles are drawn out of the bag, what is the exact probability that both marbles drawn will be blue?

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Abag contains 7 red marbles, 4 blue marbles and 5 green marbles. if two marbles are drawn out of the...