Malia found the margin of error for the percent of lengths of 100 willow leaves greater than 5 cm. If she increases her sample to 400, how will this affect her margin of error?

Group of answer choices

A. It will not change the margin of error.

B. It will double the margin of error.

C. It will reduce the margin of error by one-half.

D. It will reduce the margin of error by one-fourth.