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A leading medical journal claims that 39% of young adults play organized sports. A physician 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 physician need to use?

Hint: , where is the yes proportion in the sample and N is the sample size.

 

N ≥ 381

N ≥ 400

N ≥ 354

N ≥ 24

 
mag762  Nov 12, 2017

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