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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
10.25Â Â Â Â Â Xr10-25 The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 15. A random sample of 15 salespeople was taken, and the number of cars each sold is listed here. Find the 95% confidence interval estimate of the population mean. Interpret the interval estimate.
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71Â Â Â Â Â Â Â 60Â Â Â Â Â Â Â Â 101Â Â Â Â Â Â Â 74Â Â Â Â Â Â Â Â Â Â 55Â Â Â Â Â Â Â Â 88
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