Mathematics, 28.05.2021 03:20 nightwolf8999
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)
where p is the yes proportion in the sample and N is the sample size
N
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