ELEG 3143 Lecture Notes - Lecture 7: Random Variable

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Lec 7 families of discrete random variables, cumulative. Rolling a fair die with n being the number of spots on the side facing. X is a discrete uniform (k, l) random variable if the pmf of x has the form. N is a discrete uniform random variable with pmf. Parameter is in the range > 0. Information requests at a server, radioactive particle emissions. X is a poisson ( ) random variable if the pmf of x has the form. Parameters k and l are integers such that k < l. X is uniformly distributed between k and l. A particular website has on average = 2 arrivals per second. Number of hits (h) is a poisson for every number x. Occurrence of phenomenon of interest is called an arrival random variable with pmf of h being. Like the pmf, the cdf of random variable x expresses the probability model of an experiment as a mathematical function.

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