Mathematics, 24.12.2020 16:10 dakotacsey03
you want to obtain a sample to estimate a population proportion. at this point in time, you have no reasonable preliminary estimation for the population proportion. you would like to be 95% confident that you estimate is within 2% of the true population proportion. how large of a sample size is required
Answers: 1
is
![n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )](/tpl/images/1007/2307/c7923.png)
![n =[\frac{ 1.96 }{ 0.02} ]^2 * 0.5 (1 -0.5 )](/tpl/images/1007/2307/291cb.png)
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