+46 A leading dental journal claims that 68% 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 ± 5%. What minimum sample size, rounded to the nearest whole person, does the hygienist need to use?
A. N is greater than or equal to 175
B. N is greater than or equal to 348
C. N is greater than or equal to 366
D. N is greater than or equal to 400
