A study is to be performed to determine a certain parameter in a community. From a previous study a standard deviation of 46 was obtained. A sample error of up to 4 is to be accepted. How many subjects should be included in the sample of study at 95% level . of confidence?
2026-04-01 00:28:39.1775003319
A study is to be performed to determine a certain parameter in a community. From a previous study a standard deviation of 46 was obtained......
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Use the equation E = z*SD/sqrt(n) rearranged to solve for n. First determine the z score for a 95% confidence level.