A bag contains 4 red, 3 blue and 2 green balls. If 2 ballsare picked at random, what is the probability that both are red? Choose the most appropriate option:
A) 1/13
B) 2/23
C) 1/6
D) 4/27
E) 3/23
P(Both are red),   =41/6291/62=41/6291/62   =6/36=1/6   1/6
<result>C</result>
A bag contains 4 red, 3 blue and 2 green balls. If 2 ballsare picked at random, what is the probability that both are red?