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anonymous

  • one year ago

In a factory that manufactures tires, a machine responsible for molding the tire has a failure rate of 0.2%. If 1,000 tires are produced in a day, of which 6 are faulty, what is the difference between the experimental probability and the theoretical probability? 0.4% 0.2% 0.6% 1%

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  1. dan815
    • one year ago
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    0.2% of 1000 is?

  2. dan815
    • one year ago
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    0.2% = 0.2/100 = 2/1000

  3. dan815
    • one year ago
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    0.2% of 1000 means 2/1000 * 1000 = 2

  4. dan815
    • one year ago
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    you were expected 2, but you say 6, what percentage is 6 out of 1000?

  5. dan815
    • one year ago
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    6/1000=0.6/100= 0.6%

  6. dan815
    • one year ago
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    they asked for the difference between these 2, so what is the answer?

  7. anonymous
    • one year ago
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    so I need to find out the difference between 0.6% and 2?

  8. anonymous
    • one year ago
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    I'm confused on what answers I need to find the difference

  9. dan815
    • one year ago
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    the other one is 0.2%

  10. dan815
    • one year ago
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    they want the difference between the actual % and the experimental %

  11. dan815
    • one year ago
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    do you understand percentages?

  12. dan815
    • one year ago
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    percentage means to take a number and rewrite as a fraction with a denominator 100

  13. anonymous
    • one year ago
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    yes sorry I was just confused

  14. dan815
    • one year ago
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    its fine, ask anything

  15. anonymous
    • one year ago
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    so the difference between 0.2 and 0.6 is 0.4?

  16. anonymous
    • one year ago
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    A is the correct answer. thanks for the help

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