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An SRS of 100 flights by Speedy Airlines showed that 64 were on time An...

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An SRS of 100 flights by Speedy Airlines showed that 64 were on time An SRS of 100 flights by Happy Airlines showed that 80 were on time Let ps be the proportion of on time flights for all Speedy Airline flights and let pH be the proportion of all on time flights for all Happy Airlines flights A 95 confidence interval for the difference ps pH is Select one O a 0 264 0 056 O b 0 098 0 222 O c 0 222 0 098 O d 0 264 0 056 O e 0 283 0 038

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An SRS of 100 flights by Speedy Airlines showed that 64 were on time An SRS of 100 flights by Happy Airlines showed that 80 were on time Let ps be the proportion of on time flights for all Speedy Airline flights and let pH be the proportion of all on time flights for all Happy Airlines flights A 95 confidence interval for the difference ps pH is Select one O a 0 264 0 056 O b 0 098 0 222 O c 0 222 0 098 O d 0 264 0 056 O e 0 283 0 038

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