45% of 200 35% of 150
10% of 20
30% of 15
52.5
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4.5
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2
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110
20% of 50
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Me because some of question i don’t understand

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%

Identify the number 127 as a rational or irrational. explain