A bag contains 5 red, 4 blue and 3 green balls. If 2 ballsare picked at random, what is the probability that both are red?
Options.
A) 2/15	B) 2/21	C) 5/33	D) 3/29	E) 4/27
P(Both are red),   =55/332125/332=55/332/125/332   =10/66=5/33   5/33
<result>C</result>
A bag contains 5 red, 4 blue and 3 green balls. If 2 ballsare picked at random, what is the probability that both are red?