A bag contains 2 red, 5 green and 4 yellow balls. 4 balls are drawn at random, find the probability that out of four balls at least 3 balls are yellow.

A bag contains 2 red, 5 green and 4 yellow balls. 4 balls are drawn at

1.	A bag contains 2 red, 5 green and 4 yellow balls. 4 balls are drawn at random, find the probability that out of four balls at least 3 balls are yellow.
A.	19 330
B.	4 165
C.	29 330
D.	8 165
E.	None of these
Answer» D. 8 165

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A bag contains 2 red, 5 green and 4 yellow balls. 4 balls are drawn at random, find the probability that out of four balls at least 3 balls are yellow.

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