D. Confidence interval

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Question

Find a confidence interval for sample mean assuming that each sample is from a normal population and use Z 1. X-BAR=14, STADARD DEVIATION=4, N=5, 90% CONFIDENCE 2. X-BAR=37, STANDARD DEVIATION=5, N=15, 99% CONFIDENCE 3. X-BAR=121, STANDARD DEVIATION=15, N=25, 95% CONFIDENCE Mar 26 2012 10:03 PM

 

Solution ID:608986 | This paper was updated on 26-Nov-2015

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