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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A shipping company records the conditions of cargoes at the delivery points as not damaged (ND), damaged (D), and partially damaged (PD). The following probability mass function was established for three shipping methods:

Determine the marginal probability mass functions PX(x) and PY(y). If a cargo is damaged, what is the probability that it was shipped by sea? By air? By ground? Are the random variables statistically uncorrelated? Why?
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