A bag contains 7 red marbles, 3 blue marbles and 5 green marbles. If two marbles are drawn out of the bag, replacing them after each draw, what is the EXACT (simplified fraction) probability that both

asked Sep 7, 2022 162k views

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4 votes

P = (5/15) x (5/15)

= (1/3) x (1/3)

= 1/9

The probability they will both be green is 1/9 or 1 in 9.

Ben Duffin answered Sep 11, 2022

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