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Let Y be a random variable with PMF given by: p(y) = 0.7 if y = -2 0.25 if y = 0 0.05 if y

Let Y be a random variable with PMF given by:

p(y) =

0.7 if y = -2

0.25 if y = 0

0.05 if y = 1

0 otherwise

a.) Find E(Y).

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