Mathematics, 28.10.2020 17:20 AbhiramAkella
Estimating Sample Size: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p ∗ = 54 % . You would like to be 90% confident that your esimate is within 1.5% of the true population proportion. How large of a sample size is required? (please do not do any intermediate rounding)
Answers: 3
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![n = [\frac{Z_{\frac{\alpha }{2} } }{E} ]^2 * p(1-p)](/tpl/images/0847/7182/17ef1.png)
![n = [\frac{1.645 }{0.015} ]^2 * 0.54(1-0.54)](/tpl/images/0847/7182/ad639.png)
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Estimating Sample Size: You want to obtain a sample to estimate a population proportion. Based on pr...
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