What are the chances your flight will leave on time? To the right are a histogram and summary statistics for the percentage of flights departing on time each month from 2001 thru 2006. There is no evidence of a trend over time. Complete parts (a) through (c) below. 203 80.4444 15 # of Months 105 2.69753 65 80 OT Departure % Is the independence assumption met? O No Yes Is the randomization condition met or is the sample suitably representative? O No Yes Is the 10% condition met? O No Yes Is the nearly normal condition met? Yes NO b) Find a 90% confidence interval for the true percentage of flights that depart on time. 7