Lecture Signals, systems & inference – Lecture 12: Probabilistic models, random variables. The following will be discussed in this chapter: Sample space and events, random variable, joint pdf, marginal pdfs. | Lecture Signals, systems & inference – Lecture 12: Probabilistic models, random variables Probabilistic models, random variables , Spring 2018 Lec 12 1 Sample space and events Sample space ° A specific Collection of outcome c outcomes (event) 2 Random variable ° Real line X(c) c 3 Joint pdf © The MathWorks, Inc. All rights reserved. This content is excluded 4 from our Creative Commons license. For more information, see MultivariateNormalGaussian-Matlab Marginal pdfs 5 This image is in the public domain. Source: Wikimedia Commons MIT OpenCourseWare Signals, Systems and Inference Spring 2018 For information about citing these materials or our Terms of Use, visit: . 6