# Question: there are three machines a b and c in a...

###### Question details

There are three machines A, B, and C in a factory. Their daily outputs are in the ratio of 2:3:1. Past experience shows that 2% 4% and 5% of the items produced by A, B, and C respectively are defective. if an item selected at random is found to be defective, find the probability that it was produced by A or B