rades eople ges es abus dules BlueButton aborations gle Drive box for Canvas ort Resources Web Link A city wants to know if a new advertising campaign, to make citizens aware of the dangers of drunk driving, has been effective. They count the number of drivers who have been stopped with more alcohol in their systems than the law allows for each day of the week in the week before and the week a month after the campaign starts. The results are in this table: Day of Week M T W Th S Su After NONTON 2 0 2 1 8 7 7 A Before SANTO 5 4 2 4 6 14 6 Assume that the number of stops of drunk drivers (before as well as after the campaign) is each normally distributed. Use the following notation: u(d): The mean of the difference in number of daily stops of drunk drivers between those days after and those days before the campaign