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A discrete random variable, W , takes integer values from -2. W has probability mass function given by P(W=w)={(12)w+3,w=2,1,0,1,2,3,...0,otherwise Calculate the expected value of W

A discrete random variable, W, takes integer values from -2. W has probability mass function given by

P(W=w)={(12)w+3,w=2,1,0,1,2,3,...0,otherwise

Calculate the expected value of W, E[W]. Give your answer to 2 decimal places.

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