Mathematics, 03.12.2019 03:31 lildanielmabien
Of nine executives in a business firm, four are married, three have never married, and two are divorced. three of the executives are to be selected for promotion. let y1 denote the number of married executives and y2 denote the number of never-married executives among the three selected for promotion. assuming that the three are randomly selected from the nine available, find the joint probability function of y1 and y2.
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