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We Have Calculated a Confidence Interval Based on a Sample n=100.n = 100 .

Question 39

Multiple Choice

We have calculated a confidence interval based on a sample of size n=100.n = 100 . Now we want to get a
Better estimate with a margin of error that is only one-fourth as large. How large does our new
Sample need to be?


A) 1600
B) 25
C) 400
D) 50
E) 200

Correct Answer:

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