In A Sample Of 80 Workers From A Factory In City A It Was Found That 5 Were Unable T 2024665

In a sample of 80 workers from a factory in city A, it was found that 5% were unable to read, while in a sample of 50 workers in city B, 8% were unable to read. Can it be concluded that there is a difference in the proportions of nonreaders in the two cities? Use a 10% significance level. Find a 90% confidence interval for the difference of the two proportions.

Prof. Angela


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