Question: 8.2.1 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

8.2.1 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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