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Use the given information to find the minimum sample size required to estimate the population proportion....

Use the given information to find the minimum sample size required to estimate the population proportion.

Margin of​ error: 0.028; confidence​ level: 99%; p and q unknown

Math   Statistics-And-Probability   
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Answer #1

We have given,                          
Preliminary estimate for proportion (Not Known) = 0.5      
Margin of error =E=0.028      
Level of significance =   1-0.99=0.01      
Z critical value is (by using Z table) =2.576      

Sample size =2116
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