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Chicago O�Hare and Atlanta Hartsfield-Jackson are the two busiest airports in the United States. The congestion often leads to delayedflightarrivals as well as delayed flight departures. The Bureau of Transportation tracks the on-time and delayed performance at major airports (Travel & Leisure, November 2006). A flight is considered delayed if it is more than 15 minutes behind schedule. The following sample data show the delayed departures at Chicago O�Hare and Atlanta Hartsfield-Jackson airports.
What is the point estimate of the proportion of flights that have delayed departures at Chicago O�Hare (to 2 decimals)? What is the point estimate of the proportion of flights that have delayed departures at Atlanta Hartsfield-Jackson (to 2 decimals)?. What is the p-value for the hypothesis test(to 4 decimals)?