Given an Urn Containing 4 Red Balls, 2 Blue Balls

Multiple Choice

Given an urn containing 4 red balls, 2 blue balls, and 3 yellow balls. What is the probability of drawing either a red ball or a blue ball on a single draw?

A) 2/3
B) 1/2
C) 8/9
D) 1/3
E) 4/9