Question: Variable X assumes values 0, 1, 2, and 3 with probabilities 0.3,a, 0.1, and b, respectively. Find a and b if: (i) E(X) = 1.5.

Variable X assumes values 0, 1, 2, and 3 with probabilities 0.3,a, 0.1, and

b, respectively. Find a and b if: (i) E(X) = 1.5. (ii) E(X) = m. First determine all possible values of m.

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