A retail outlet wanted to know whether its weekly advertisement in the daily newspaper works. To acquire this critical info, the store manager surveyed the people in the store. Based on the survey, 30 percent made a purchase and 60 percent had seen the ad. 40 percent of the customers said that they had not seen the ad.
1.) Among the customers who had not seen the ad, what is the probability that they will make a purchase?
I know the answer is .120 but how did you get that?? Please include the 3 by 2 table or whatever.
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