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An SRS of 100 flights of a large airline (airline 1) showed that 64 were on time. An SRS of 100 flights of another large

An SRS of 100 flights of a large airline (airline 1) showed that 64 were on time. An SRS of 100 flights of another large airline (airline 2) showed that 80 were on time. Letp1andp2be the proportion of all flights that are on time for these two airlines. A 95% confidence interval for the differencep1p2is
0.16 0.122.
0.16 0.062.
0.16 0.062.

0.16 0.103.

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