In a factory there are three types of machine M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively.M1, M2 andM3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?

In a factory there are three types of machine M1, M2 and M3 which prod

1.	In a factory there are three types of machine M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively.M1, M2 andM3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?
A.	9%
B.	7.1%
C.	6.1%
D.	6.1%
E.	one of these
Answer» D. 6.1%

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In a factory there are three types of machine M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively.M1, M2 andM3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?

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