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Lorico [155]
3 years ago
5

A sample of 150 firecrackers contained 8 duds. How many duds should you expect in a sample of 2850 firecrackers

Mathematics
1 answer:
Olin [163]3 years ago
6 0
You have to set up a proportion for this problem. if there were 8 duds in 50 how many in 2850.
set it up like this 8/50=x/2850. cross multiply so it’s 2850(8)=50x.
x=456
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