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

# In a Bolt factory, machines A, B and C manufacture respectively 25%, 35% and 40% . Of the total of …

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