Find the Probability for the Experiment of Drawing Two Marbles $\frac { 1 } { 3 }$

Multiple Choice

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing 2 green,6 yellow and 3 red marbles such that both marbles are yellow.

A) ​ $\frac { 1 } { 3 }$
B) ​ $\frac { 6 } { 5 }$
C) ​ $\frac { 36 } { 121 }$
D) ​ $\frac { 18 } { 55 }$
E) ​ $\frac { 3 } { 11 }$