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) 2 / 13	B) 3 / 17	C) 5 / 26	D) 5 / 21	E) 7 / 15

Rationale: "p ( both are red ) , = 6 c 213 c 2 = 6 c 213 c 2 = 5 / 26 c"
Answer: C