Question: The variable Y is defined by the relation 3n for n = 1, 2, 3, 4 with probabilities of 0.4, 0.3, 0.233, and 0.067, respectively.

The variable Y is defined by the relation 3n for n = 1, 2, 3, 4 with probabilities of 0.4, 0.3, 0.233, and 0.067, respectively. Determine the expected value of Y.

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