Exercise A random process has sample functions of the form x(t) = Ang(t nT) n=- where T is the pulse duration, An's are independent random variables that are uniformly distributed from 0 to 10, and g(t): (1, = 0tT/2 otherwise a) Find the mean value of the random variable X (4). b) Find the mean value of the random variable X (34). c) Is the process stationary? Answer: (a) 5; (b) 0; (c) No