According to CDC, among men aged 20-39 obesity is 40.5%--? = 0.405.   You take repeated samples of size ? = 650 from the population of men in this age group.   18 In the previous question, to obtain a sampling distribution of the proportion, where 95% of the sample proportions fall within a margin of error of MOE = ±0.03 (3 percentage points) from π, the proper sample size is:     a 1029               b 1083               c 1140               d 1200

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According to CDC, among men aged 20-39 obesity is 40.5%--? = 0.405.  
You take repeated samples of size ? = 650 from the population of men in this age group.

 

18 In the previous question, to obtain a sampling distribution of the proportion, where 95% of the sample proportions fall within a margin of error of MOE = ±0.03 (3 percentage points) from π, the proper sample size is:
 
 
a 1029              
b 1083              
c 1140              
d 1200              
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