E1.2 Random Variables and Random Vectors (Econometrics Math)

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In this video, I explain what random variables and random vectors are, giving two examples of how using random variables/vectors can make the analysis of a problem more concrete.
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Ramdon vector e1 takes one hour to finish the exam. Ramdon vector e2 make 3 exams. Exam one or X1 exam two or X2 and exam 3 or X3. So the probability that e2 finish exam X1 and or exam X2 and or exam X3 in one hour is a simple and real or Royal number that can change between 0 per cent and 99 per cent.

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Your voice is too low, please can you correct it. Thanks

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