Find the Indicated Probability $\frac { 3 } { 14 }$

Multiple Choice

Find the indicated probability.
-A bag contains 6 red marbles, 3 blue marbles, and 5 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue?

A) $\frac { 3 } { 14 }$
B) $\frac { 1 } { 3 }$
C) $\frac { 1 } { 11 }$
D) $\frac { 1 } { 5 }$