6r-s+ 3t = -9
5r + 5s - 5t= 20
3r-s+ 4t= -5...
Answers: 1
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Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%
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Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alexβs percent error?
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