Mathematics, 28.10.2020 16:40 pollywallythecat
How large a sample must we take if we want the margin of error to be at most 0.01 pound with 95% confidence
Answers: 3
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![n = [\frac{Z_{\frac{\alpha }{2} } * \sigma }{E} ]^2](/tpl/images/0847/4673/a7a86.png)
![n = [\frac{1.96 *2 }{0.01} ]^2](/tpl/images/0847/4673/06194.png)
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How large a sample must we take if we want the margin of error to be at most 0.01 pound with 95% con...
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