<PRE><B>Question 437142</B>
A 90% confidence interval for a population mean is determined to be 800 to 900. If the confidence is increased to 95% confidence while the sample statistics and sample size remain the same, the confidence interval for mui
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If confidence is increased from 90 to 95, z increases,
so ME increases, so the CI becomes wider.
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Cheers,
Stan H.

A. becomes narrower
B. becomes .05
C. does not change
D. becomes wider
E. becomes .025
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