Acrobat Pro DC File Edit View Sign n Window Help M 6 5 6 2 1 7 : ) 75% [ Mon Nov 2 9:00 PM Q . . . 4.pdf Home Tools 4.pdf ? A 1 /1 + 68.2% 4. (a) A discrete random variable X has the probability mass function (pmf) below, for a specific value of the constant C. p(x) = 4x2 -1 x =1, 2, 3,... 8 - Find the value of C. Show all work (9 pts) Determine the cumulative density function (cdf). Show all work. (3 pts) . Calculate the probability P(X 23) . Show all work. (3 pts) (b) A continuous random variable X has the probability density function (pdf) below, for a specific value of the constant C. x21 0.15 f (x) = 4x2 -1' 0, x