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26.07.2019 •
Mathematics
Suppose that, in order to estimate the proportion of students who wear glasses, a sample of 100 students was collected and showed that 20 of the students in the sample wore glasses. a confidence interval for the population proportion of students who wear glasses is given by: .200 +/- 3.000(.040) or .080 to .320. (note that the standard error is .040.) what is the confidence level of this confidence interval?
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18
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