In cleveland a sample of 73 mail carriers showed that 10, Ask an Expert

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In Cleveland, a sample of 73 mail carriers showed that 10 had been bitten by an animal during one week. In Philadelphia, in a sample of 80 mail carriers, 16 had received animal bites.

At , is there a significant difference in the proportions?

Find the 95% confidence interval for the difference of the two proportions.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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