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A Sample of Size N Is Used to Estimate the Confidence

Question 18

Multiple Choice

A sample of size n is used to estimate the confidence interval for a proportion.Upon review,you consider the standard deviation too large.If you want to reduce your standard deviation so that it is a tenth (1/10) of the original size,what size sample do you need?


A) 10n
B) 100n
C) 1000n
D) 10,000n

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