Springville1 PD has been running a Don't-Drink-and-Drive TV commercial for a month. The Police Chief is interested in knowing how effective the campaign is in terms of reducing DUI incidents. To assess this, the following statistics were collected: a) It is estimated that 65% of the Springville's 1 This is an imaginary town. 2 residents have not seen the commercial; b) Motorists were randomly selected for testing and 1% of them were deemed driving under the influence; and c) Of these DUI individuals, 25% reported they have seen the commercial. o Suggest a statistic using conditional probability with which the effectiveness of the ad can be quantified and measured. Explain how and why. o How effective is the campaign? Please support your answer with numbers. o If more than 65% of the residents haven't seen the ad, everything else being equal, is the ad more effective or less so than the answer in part b)? No calculation is needed for this part - please explain your answer with intuition using a language that the Chief understands. o Are these two events dependent or independent of each other: driving under the influence and having seen the ad? Are they mutually exclusive