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Find the minimum sample size required to estimate the population proportion Confidence level:99% E: 9/100 p^...

Find the minimum sample size required to estimate the population proportion
Confidence level:99%
E: 9/100
p^ and q^ are 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=0.09
Level of significance =   1-0.99=0.01
Z critical value is (by using Z table) =2.576
Sample size formula is                   


=204.81  

Sample size
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