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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Finding Sample Size. In Exercises 13–16, use the given margin of error, confidence level, and population standard deviation s to find the minimum sample size required to estimate an unknown population mean m.
13. Â
Margin of error: $125, confidence level: 95%, s 5 $500
14.  Margin of error: 3 lb, confidence level: 99%, s 5 15 lb
15.  Margin of error: 5 min, confidence level: 90%, s 5 48 min
16.  Margin of error: $500, confidence level: 94%, s 5 $9877
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