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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 and M3 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 produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ? Correct Answer 96.1%

Non-defective products M1 = 25 × 0.98 = 24.5% Non-defective products M2 = 35 × 0.96 = 33.6% Non-defective products M3 = 40 × 0.95 = 38%Percentage of non-defective products
= 24.5 + 33.6 + 38
= 96.1%

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