Use the results of Exercise 3.39 to find expressions for the values of the probability density of the mixed random variable X for

(a) x< 0;

(b) 0< x< 0.5;

(c) 0.5< x< 1;

P(X = 0.5) = 1/2 , as we already indicated on page 80, and f (0) and f (1) are undefined.