A bag contains 4 blue, 3 green, 3 white and 5 black marbles. If four marbles are picked at random, what is the probability of at least one being blue?

A bag contains 4 blue, 3 green, 3 white and 5 black marbles. If four m

1.	A bag contains 4 blue, 3 green, 3 white and 5 black marbles. If four marbles are picked at random, what is the probability of at least one being blue?
A.	69/91
B.	71/89
C.	43/51
D.	37/69
E.	None of these
Answer» B. 71/89

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A bag contains 4 blue, 3 green, 3 white and 5 black marbles. If four marbles are picked at random, what is the probability of at least one being blue?

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