The percentages of ontime arrivals for major U.S. airlines range from 68.6 to 91.1. Two regional airlines

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The percentages of ontime arrivals for major U.S. airlines range from 68.6 to 91.1. Two regional airlines were surveyed with the following results. At a 0.01 is there a difference in proportions?
The percentages of ontime arrivals for major U.S. airlines range
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