In: Statistics and Probability
Will your flight get you to your destination on time? To the right are a histogram and summary statistics for the percentage of delayed arrivals each month from 2001 thru 2006. Consider these data to be a representative sample of all months. There is no evidence of a time trend. (The correlation of Flights Delayed % with time is requals 0.004.) Complete parts a through c below.
Check the assumptions and conditions for inference about the mean. Select all that apply.
Find a 99% confidence interval for the true percentage of flights that arrive late.
c) Interpret this interval for a traveler planning to fly. Choose the correct answer below.