Question: Let be a random variable whose PDF is given by f z(z) = cz2ezu(z). (a) Find the value of the constant c. (b) Find the

Let be a random variable whose PDF is given by f z(z) = cz2e–zu(z).
(a) Find the value of the constant c.
(b) Find the form of the CDF of Z, Fz (z).
(c) Find Pr ({Z <2} U (Z > 4)).

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