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A box contains 30 marbles, of which 8 are black, 10 are green, and 12 are yellow. If two marbles are drawn at random, what is the probability that both the marbles will NOT be green?
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6 votes
A box contains 30 marbles, of which 8 are

black, 10 are green, and 12 are yellow. If two
marbles are drawn at random, what is the
probability that both the marbles will NOT be
green?

User Kelsie
by
7.2k points

1 Answer

9 votes

Answer:

4/9

Explanation:

'ng' = not green

P(ng,ng) = 2/3 x 2/3 = 4/9

User John Stone
by
7.2k points
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