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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
High school academic rank. Select a first-year college student at random and ask what his or her academic rank was in high school. Here are the probabilities, based on proportions from a large sample survey of first-year students:
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(a) What is the sum of these probabilities? Why do you expect the sum to have this value?
(b) What is the probability that a randomly chosen first-year college student was not in the top 20% of his or her high school class?
(c) What is the probability that a first-year student was in the top 40% in high school?
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