If a sampling of people who reside in the province number of 100 people found to have public debt amounts to approximately 60 people intentionally, 95% confidence interval of the proportion of people in the province, such as all the debt.
If sampling of the population in the province was one of 100 people found that people with a debt of about 60 people take over 95% of residents in areas such as debt.
If sampling, public address in one province, were 100 people has found that people with debt, the 60 people; confidence intervals 95% the proportion of people in the province who owe.