It is assumed that in 2019 Nissan sold three car models in America North: Sentra, Maxima and Pathfinder. Of the vehicles sold, 50% were Sentra, 30% Maxima and 20% Pathfinder. The same year, 12% of Sentras, 15% of Maximas and 25% of Pathfinders had a defect special mechanics. 1. If you own a 2019 Nissan, how likely is it to be has this defect?

2. An engineer's 2019 Nissan has a mechanical defect. Which model is he likely to own?