In a bolt factory, machines A. B, C manufacture respectively 25 % , 35 % , 40% of the total. Of their output 5, 4, 2 percent are known to be defective bolts. A bolt is drawn at random from the product and is found to be defective. What are the probabilities that it was manufactured by (i) Machine A. (i) Machine B or C

Hariom Gurjar

Sept. 21, 2019, 10:01 a.m.

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