A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability that at least one is blue ?

A basket contains 4 red, 5 blue and 3 green marbles. If three marbles

1.	A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability that at least one is blue ?
A.	$\frac{7}{12}$$
B.	$\frac{37}{44}$$
C.	$\frac{5}{12}$$
D.	$\frac{7}{44}$$
E.	one of these
Answer» C. $\frac{5}{12}$$

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A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability that at least one is blue ?

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