Mathematics, 26.10.2020 16:40 asilverman
What is the minimum sample size required to estimate a population mean with 90% confidence when the desired margin of error is D
Answers: 2
![n=[\frac{1.645\times\sigma }{D}]^{2}](/tpl/images/0840/2572/7b730.png)
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![n=[\frac{z_{\alpha/2}\times\sigma }{MOE}]^{2}](/tpl/images/0840/2572/9f059.png)
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What is the minimum sample size required to estimate a population mean with 90% confidence when the...
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