researcher wishes to​ estimate, with 95​% ​confidence, the population proportion of adults who support labeling legislation for genetically modified organisms​ (GMOs). Her estimate must be accurate within 5​% of the true proportion.   ​(a) No preliminary estimate is available. Find the minimum sample size needed. ​(b) Find the minimum sample size​ needed, using a prior study that found that 73​% of the respondents said they support labeling legislation for GMOs. ​(c) Compare the results from parts​ (a) and​ (b).       Question content area bottom Part 1 ​(a) What is the minimum sample size needed assuming that no prior information is​ available?   n=enter your response here   ​(Round up to the nearest whole number as​ needed.)

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A researcher wishes to​ estimate, with
95​%
​confidence, the population proportion of adults who support labeling legislation for genetically modified organisms​ (GMOs). Her estimate must be accurate within
5​%
of the true proportion.
 
​(a) No preliminary estimate is available. Find the minimum sample size needed.
​(b) Find the minimum sample size​ needed, using a prior study that found that
73​%
of the respondents said they support labeling legislation for
GMOs.
​(c) Compare the results from parts​ (a) and​ (b).
 
 
 

Question content area bottom

Part 1
​(a) What is the minimum sample size needed assuming that no prior information is​ available?
 
n=enter your response here
 
​(Round up to the nearest whole number as​ needed.)
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