Estimate difference between the two rates of lost baggage

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Reference no: EM13115079

Among 5000 items of randomly selected baggage handled by American Airlines, 22 were lost. Among 4000 items of randomly selected baggage handled by Delta Airlines, 15 were lost. Use the sample data to construct a 95% confidence interval estimate of the difference between the two rates of lost baggage. Does there appear to be a difference?

Reference no: EM13115079

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