3877. A batch of parts is made by three workers, with the first worker producing 25% of all parts, the second worker 35%, the third 40%. In the production of the first working defect is 3%, in the production of the second 4%, in the production of the third 2.5%. What is the probability that an item randomly selected for inspection will be defective?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
No feedback yet