A bag contains 6 red, 5 blue and 2 green balls. If 2 ballsare picked at random, what is the probability that both are red? Choose the correct choice from the following answers:
A) 1/13 B) 2/21 C) 5/26 D) 3/25 E) 3/28
P(Both are red),   =65/262135/262=65/262135/262   =5/26   5/26
<result>C</result>
A bag contains 6 red, 5 blue and 2 green balls. If 2 ballsare picked at random, what is the probability that both are red?