Determine the values of each one of these r.v.''s

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From a certain target population, n individuals are chosen at random and their blood types are determined. Let X1, X2, X3, and X4 be the r.v.'s denoting the number of individuals having blood types A, B, AB, and O, respectively. Determine the values of each one of these r.v.'s, as well as the values of the sum X1+X2+X3+X4.

Reference no: EM131097078

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