What are the chances your flight will leave on time? The U.S. Bureau of Transportation Statistics of the Department of Transportation publishes information about airline performance. Here are summary statistics for the percentage of flights departing on time each month from July 2004 through July 2019: n =251 y =75.65 s=3.91 a) Find a 95% confidence interval for the mean percentage of flights that depart on time. Give the StatCrunch output for this. **Make sure you provide images or screenshots of your StatCrunch output, you will lose points if you don't b) Interpret this interval for a traveler planning to fly