Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-A bag contains 5 red marbles, 3 blue marbles, and 1 green marble. What is the probability of choosing a marble that is red or green when one marble is drawn from the bag?

A) 6
B) $\frac { 2 } { 3 }$
C) $\frac { 1 } { 3 }$
D) $\frac { 3 } { 2 }$