Question: The PDF of a random variable X is 0.6 over [1, 21, and has an impulse (delta function) of weight 0.4 at 3. Then,

The PDF of a random variable X is 0.6 over [1, 21,

The PDF of a random variable X is 0.6 over [1, 21, and has an impulse (delta function) of weight 0.4 at 3. Then, the expected value of X, E[X] is .a O 2.1 .b O 1.5 .c O 2.5 .d O 2

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