In a sample of 80 workers from a factory in city A, it was found that...

In a sample of 80 workers from a factory in city A, it was found that 10% were unable to read,
while in a sample of 50 workers in city B, 14% were unable to read. Can it be concluded that
there is a difference in the proportions of nonreaders in the two cities? Use α = 0.10. Also find
the 90% confidence interval for the differences of the two proportions.

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orchestra answered 1 year ago

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