A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow ma – McqOptions

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1.	A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?
A.	1/455
B.	2/455
C.	1/91
D.	4/455
Answer» B. 2/455

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