Mathematics, 29.05.2021 18:30 Tonyswife15

An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X be the number of points earned on the first part and Y be the number of points earned on the second part. Suppose that the joint probability mass function of X and Y is given in the accompanying table. Complete the following, writing only final numeric answers rounded to one decimal place. The expected value of X+Y = . Cov(X, Y) = .

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An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X...