A leading dental journal claims that 65% of young adults do not brush their teeth regularly. A dental hygienist wants to conduct a survey to verify this with her young adult patients, and wants to do so with a margin of error (ME) of 9%. What minimum sample size, rounded to the nearest whole person, does the hygienist need to use?

Hint: ME = 2 p (1 - p) / N, where p is the yes proportion in the sample and N is the sample size

A. N 115

B.N 200

C. N 226

D. N 112