Mothers Against Drunk Driving is a very visible group whose…

Mothers Against Drunk Driving is a very visible group whose focus is to educate the public about the harm caused by drunk drivers. A study was recently done that emphasized the problem we all face with drinking and driving. 250 accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below: Referring to this scenario, given that 3 vehicles were involved, what proportion of accidents involved alcohol?