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21 June, 10:00

A bag 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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  1. 21 June, 10:03
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    Marbles

    Step-by-step explanation:

    The probability that both marbles will be blue is because your probability of drawing a blue marble (3/5) multiplied by my probability of drawing a red marble (4/9) : 3/5 x 4/9 = 12/45 or, reduced, 4/15.
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