In a bolt factory, machines A, B and C manufacture respectively 25%, 35% and 40% of the total bolts. Of their output 5, 4 and 2 percent are respectively defective bolts. A bolt is drawn at random from the product. What is the probability that the bolt drawn is defective?

In a factory which manufactures bolts, machines A.B and C manufacture respectively 25%,35% and 40% of the bolts.Of their outputs,5,4 and 2 percent are respectively defective bolts.A bolt is drawn at random from the product and is found to be defective.What is the probability that it is manufactured by the machine B?

. In a bolt factory, machines M M2 M3 manufacture respectively 25, 35 and 40 percent of the total product. Of their output 5, 4 and 2 percent respectively are defective bolts. One bolt is drawn at random from the product and is found to be defective. What is the probability that it was manufactured by machine M3? 12'3

In a bolt factory, machines A,B and C manufacture 25%, 35% and 40% respectively of the total output from which 55, 4% and 2% respectively are defective. A bolt is drawn and is found to be defective. What is the probability that it was manufactured by the machine C?

In a bolt factory machines, A, B and C manufacture bolts in the ratio 6:3:1. 2%, 5% and 10% of the bolts produced by them respectively are defective. A bolt is picked up at random from the product and is found to be defective. What is the probability that it has been manufactured by machine A?