Cars arrive at the Wendy's drive-through at a rate of 1 car every 5 minutes between the hours of 11:00 PM and 1:00 AM. on Saturday nights. Wendy's begins an advertising blitz that touts its late-night drive-through service and convenience. After one week of advertising, the Wendy's marketing department conducts a survey at 200 Wendy's to count the number of cars, X, that arrive at the drive-through between the hours of 12:00 midnight and 12:30 AM on Saturday night. In the results of the survey of 200 Wendy's restaurants, exactly 8 customers used the drive-through at 27 Wendy's and exactly 9 customers used the drive-through at 21 Wendy's. Based on these values and your answers to question 2, does it appear that the advertising campaign increased customer use of the drive-through