SOLUTION: Use the given data to find the minimum sample size required to estimate the population proportion.
Margin of error: 0.022; confidence level: 95%; p^ and q ^ unknown
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Question 1156813: Use the given data to find the minimum sample size required to estimate the population proportion.
Margin of error: 0.022; confidence level: 95%; p^ and q ^ unknown
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
when p and q are unknown, use 0.5 for each to be most conservative.
0.022=1.96*sqrt(p*q/n)
square both sides
0.000484=3.84*0.25/n=0.96/n
n=1983.47 or 1984
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