Answer: 20%
Step-by-step explanation:
[tex]\frac{3-person(frequency)}{Total (frequency)}[/tex]
= [tex]\frac{200}{1000}[/tex]
= [tex]\frac{200}{1000}[/tex] ÷ [tex]\frac{10}{10}[/tex]
= [tex]\frac{20}{100}[/tex]
= 20%
