Mathematics, 23.03.2020 17:05 maggiegoodenough62
A convenience store has two separate locations where customers can be checked out as they leave. These locations each have two cash registers and two employees who check out customers. Let X be the number of each registers being used at a particular time for location 1 and Y the number being used at the- same time for location 2. The joint probability function is given by Give the marginal density of both X and Y as well as the probability distribution of X given Y = 2. Give E(X) and Var(X). Give E(X|Y = 2) and Var(X|Y = 2).
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