How do you estimate the sample size of a population given that there i

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EdmureTully
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i need the formulas and the steps

i know how to use the confidence interval equation
after that it gets dark


$$\frac{N*Var(x)}{(N-1)B^{2}/k^{2} + Var(x)}$$


break down the above equations into many steps and formulas
 
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This is homework. Please resubmit as such. Put it in the appropriate homework help forum and follow the template. I've closed this thread, but I also fixed your LaTeX.