Find the margin of error for a survey that has the given sample sizes. Round your answers to the nearest hundreth of a percent.

A sample size of 450 produces a margin of error of

$\displaystyle \pm$ %

A sample size of 4100 produces a margin of error of

$\displaystyle \pm$ %

A sample size of 9250 produces a margin of error of

$\displaystyle \pm$ %