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We Have Calculated a Confidence Interval Based on a Sample n=180.n = 180 .

Question 16

Multiple Choice

We have calculated a confidence interval based on a sample of n=180.n = 180 . . Now we want to get a better
Estimate with a margin of error only one third as large. We need a new sample with n at least…


A) 312
B) 1620
C) 60
D) 540
E) 20

Correct Answer:

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