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anonymous

  • 5 years ago

a sample of 125 firecrackers contained 3 duds. how many duds would you expect in a sample of 1875 fireworks? would it be 15?

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  1. anonymous
    • 5 years ago
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    1875/125=15. But then you have to multiply 3. So the answer is 45.

  2. anonymous
    • 5 years ago
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    omg ur right. thanks!

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