1. Let {Xn,nZ} be a discrete-time random process, defined as Xn=2cos(8n+), where Uniform (0,2). a. Find the mean function, X(n). b. Find the correlation function RX(5,7). c. Is Xn a WSS process? 2. Let X(t) be a WSS Gaussian random process with X(t)=1 and RX()=6+4sinc(), where inc()=sin(). (a) Find P(1