Question: 1.2.4 Let Z be a discrete random variable having possible values 0;1; 2, and 3 and probability mass function (a) Plot the corresponding distribution function.

1.2.4 Let Z be a discrete random variable having possible values 0;1; 2, and 3 and probability mass function

100-100 P(0)= P(2)= p(1) = P(3) =

(a) Plot the corresponding distribution function.

(b) Determine the mean E[Z].

(c) Evaluate the variance Var[Z].

100-100 P(0)= P(2)= p(1) = P(3) =

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