Question: On-Time Performance by Airlines. According to the Bureau of Transportation statistics, on time performance by the airlines is descried as follows:

Action % of Time

On Time 70.8

National Aviation System Delay 8.2

Aircraft Arriving Late 9.0

Other (because of weather 12.0

And other conditions)

Records of 200 flights for a major airline company showed that 125 planes were on time, 40 were delayed because of weather, 10 because of a National Aviation System delay, and the rest because of arriving late. At a = 0.05, do these results differ from the government’s statistics?

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