If You Are Told That The Number Of Accidents In A Factory In Month T Obeys An Ar 1 M 1864371

If you are told that the number of accidents in a factory in month t obeys an AR(1) model of the form

where st is zero-mean white noise, and that x19 = 20, x20 = 24, x21 = 16, what forecasts would you make

(a) for x22, x23> an d x24 at time t = 21 ?

(b) for x23 and x24 at time t = 20?