In a factory there are four machines. The machines produce 10%,20%,30%,40% of an item respectively . The defective item produced by machine are 5%,4%,3%, and 2% respectively .Now an item is selected which is defective. What is probability of it being from yhe second machine?
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4
Answer:
(1) 5/10= 2
Step-by-step explanation:
(2)4/20=5
(3)3/30=10
(4)2/40=20
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1
Answer:
Step-by-step explanation:
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