clyde2128 clyde2128 29-02-2024 Mathematics contestada Suppose a real, stationary random signal x(n) has zero mean with autocorrelation. Let y[n]=x[n]cos(wn). What is the expected value of y[n]? A) E[y[n]]=0 B) E[y[n]]=x[n] C) E[y[n]]=cos(wn) D) E[y[n]]=x[n]cos(wn)