Of the two samples below which would have the more precise estimator or would they have the same precision? Explain your answer.
Sample O: A polling company wants to know how many people over the age of 18 in Ohio are unemployed. They take a simple random sample of 500 from the state of Ohio to find the percentage.
Sample U: A polling company wants to know how many people over the age of 18 in the United States are unemployed. They take a simple random sample of 500 from the United States to find the percentage.