11.1I1Polnts] Devonesmmuonm. 1 ! Let X denote the amount of time a book on two-hour reserve Is actually check ed out, and suppose the cdf is the following. 0 x 3.5). I (d) What Is the median checkout duration ,1? [solve 0.5 = F(,:.)]. (e) Obtain the density function f(x). RX) = F'(X) ll = :1 05x