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OpenStudy (anonymous):
a sample of 123 fireworks contained 4 duds how many would you expect in a sample of 1353 firecrackers?
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OpenStudy (anonymous):
1353/123=11 11*4=44 so 44 duds because you are seeing how many sets of 123 fireworks are in 1353 because you know 123 fireworks contain 4 duds.
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