Choose the one alternative that best completes the statement or answers the question.
-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) $\frac { 7 } { 19 }$

Question

Choose the one alternative that best completes the statement or answers the question.
-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) $\frac { 7 } { 19 }$

Quizplus · Accepted Answer

The total number of marbles is 9 (red) + 3 (blue) + 7 (green) = 19 marbles. The probability of selecting a blue marble is the number of blue marbles (3) divided by the total number of marbles (19), which is $\frac{3}{19}$.

Choose the One Alternative That Best Completes the Statement or Answers