Answer:
The color Orange has a 1/5 chance of being chosen.
Explanation:
Find the total: 4 + 8 + 3 = 15
Yellow = 4

, cannot be reduced any further so we know the color yellow is not the correct answer.
Purple = 8

, cannot be reduced any further so we know the color yellow is not the correct answer.
Orange = 3
simplifies into

So Orange is the correct answer.