A sample of a given size is used to construct a 95

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A sample of a given size is used to construct a 95% confidence interval for the population mean with a known population standard deviation. If a bigger sample had been used instead, then the 95% confidence interval would have been _______ and the probability of making an error would have been ________.

A. wider, smaller

B. narrower, smaller

C. wider, unchanged

D. narrower, unchanged

Reference no: EM13635883

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