A leading dental journal claims that 73% 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 ± 7%. What minimum sample size, rounded to the nearest whole person, does the hygienist need to use?
A.)N ≥ 161
B.)N ≥ 200
C.) N ≥ 322
D.) N ≥ 158