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Random Variablesmedium
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A discrete random variable XXX has the probability mass function P(X=k)=Ck2P(X=k) = Ck^2P(X=k)=Ck2 for k∈{1,2,3}k \in \{1, 2, 3\}k∈{1,2,3}. What is the value of CCC?