Mathematics, 13.11.2019 01:31 bmartinez26

Three balls are randomly chosen from an urn containing 3 white, 3 red, and 5 black balls. suppose that we win $1 for each white ball selected, and lose $1 for each red ball selected. if x denotes our total winnings from the experiment, then: a) what values can x take? b) what is the pmf of x? c) show that this is a valid pmf.

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