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    In Generalizing from a Sample, in Order to Achieve an Error
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In Generalizing from a Sample, in Order to Achieve an Error

Question 20

Question 20

Multiple Choice

In generalizing from a sample, in order to achieve an error margin of plus or minus 3 percentage points at a confidence level of about 95 percent, what's the smallest random sample we can get away with, regardless of the size of the population?


A) 10 percent of the population
B) 100
C) 500
D) 1,000
E) 5,000

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