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In a factory there are three types of Machines 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

In a factory there are three types of Machines 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?

  • Option 1)

    89%    

  • Option 2)

    87.07%

  • Option 3)

    96.1%

  • Option 4)

    86.1%

  • Option 5)

    97.1%

Answers (1)
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% of non defective products =  \left ( \frac{25\times 98}{100} \right )+\left ( \frac{35\times 96}{100} \right )+\left ( \frac{40\times 95}{100} \right )=96.1\, ^{0}/_{0}

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