All of the following statements about the precision and certainty of an estimate are true EXCEPT ______.

A. the precision of an estimate is determined by the range of the confidence interval
B. the larger the level of confidence, the more certain the estimate
C. to be more certain that an interval contains a population parameter, we typically give up precision
D. to be more certain that an interval contains a population parameter, we typically enhance precision


Ans: D

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