Please help! I'm struggling with this topic.
A leading dental journal claims that 68% of young...
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Mathematics, 25.05.2020 09:58 shantrice1831
Please help! I'm struggling with this topic.
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?
N ≥ 175
N ≥ 348
N ≥ 366
N ≥ 400
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