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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
25.     The College Board American College Testing Program reported a population mean SAT score of μ = 1020 (The World Almanac 2003). Assume that the population standard devi- ation is σ = 100.
a.     What is the probability that a random sample of 75 students will provide a sample mean SAT score within 10 of the population mean?
b.     What is the probability a random sample of 75 students will provide a sample mean
SAT score within 20 of the population mean?
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