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

Question

Quizplus · Accepted Answer

The total number of balls is 4 (red) + 2 (blue) + 3 (yellow) = 9. The probability of drawing a red or blue ball is the sum of the probabilities of drawing a red ball and a blue ball, which is (4/9) + (2/9) = 6/9 = 2/3.

Given an Urn Containing 4 Red Balls, 2 Blue Balls