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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Once an individual has been infected with a certain disease, let x represent the time (days) that elapses before the individual becomes infectious. The article “The Probability of Containment for Multitype Branching Process Models for Emerging Epidemics” (J. of Applied Probability, 2011: 173–188) proposes a Weibull distribution with a = 2.2 and ß = 1.1 for x -5 (i.e. the Weibull density curve is shifted to the right of 0 by .5; Minitab refers to .5 as the value of the threshold parameter).
a. What proportion of elapsed times exceed 1.5 days?
b. What is the 90th percentile of the elapsed time distribution?
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