Solve the Problem $\frac { 3 } { 19 }$ B) $\frac { 1 } { 4 }$

Multiple Choice

Solve the problem.
-A bag contains 9 red marbles, 3 blue marbles, and 7 green marbles. If one marble is selected at random, determine the probability that it is blue. A) $\frac { 3 } { 19 }$

B) $\frac { 1 } { 4 }$

C) $\frac { 9 } { 19 }$

D) $\frac { 7 } { 19 }$