3809. The conveyor receives parts from two machines. The performance of the first machine is 2 times the performance of the second. The probability of marriage on the first machine is 0.01, on the second machine - 0.02. a) Find the probability that a piece taken at random is standard b) The piece taken was found to be standard. Determine the probability that it is made on the first machine.

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)