Consider a random variable with the following pmf: f(x)=c(1 / 2^x), for x=0,1,2,3. (a) Find c so

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Consider a random variable with the following pmf: f(x)=c(1 / 2^x), for x=0,1,2,3. (a) Find c so that f(x) represents a valid probability distribution. (b) Find = E(X). (c) Find 2 = Var(X). (d) Find E(X2). (e) Find E[|x |].

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Consider a random variable with the following pmf: f(x)=c(1 / 2^x), for x=0,1,2,3. (a) Find c so

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