In an industrial area, three production units are accused of pollution following the discharge into the open air without treatment in the river. The first unit manufactures copper products, the other two produce copper and lead products. It is estimated that the risks of pollution in second unit are twice less than in the other two units. If any pollution in the river is detected, which production unit will we tend to incriminate if the pollutant is (1) copper? (2) lead?
2026-03-29 18:11:50.1774807910
Probabilités conditionnelles
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If the pollution is made by lead . We can eliminate the first unity . So we need to choose or 2,3 unity 2 is more sure so we need to incriminate 3 If the pollution is made by copper . If we estimate that a unity that produced copper and lead is less likely that reject only copper. then we need to incriminate 1.