Confidence interval of the population proportion
Develop a confidence interval of the population proportion at the given level of confidence
X=80, n=200, 90% confidence
The 90% confidnece Level is ( _ and _ )
(use ascending order. Round to three decimal places as needed.)
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How many observation do you recommend for an experiment where an R-square of 50% is expected?
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Find out the point estimate of the population mean and margin of error for the confidence interval.
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