SOLUTION: Use the given data to find the minimum sample size required to estimate a population proportion or percentage.
Margin of error:0.04
confidence level: 95%
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Question 1093246: Use the given data to find the minimum sample size required to estimate a population proportion or percentage.
Margin of error:0.04
confidence level: 95%
^ ^
p and q unknown.
n = _____ (Round up to the nearest integer.)
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
half interval is the margin of error=0.04=1.96*sqrt(.5*.5/n); we use .5 for p and q, because they will give the largest value for n (most conservative).
squaring everything
0.0016=3.8416*.25/n
0.0016n=0.96
divide by 0.0016
n=600.25 so round to 601 ANSWER
square root of (0.25/600)=0.0204
multiply that by 1.96 to get 0.04
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