Question: Suppose the observed process {Xt} follows xt xt-l -O.5Xt_2 + 0.5Ct-I, where ct is the zero mean white noise process. (a) Determine if {Xt}

$Suppose the observed process {Xt} follows xt xt-l -O.5Xt_2 + 0.5Ct-I, where$

Suppose the observed process {Xt} follows xt xt-l -O.5Xt_2 + 0.5Ct-I, where ct is the zero mean white noise process. (a) Determine if {Xt} is stationary and invertible. (b) Find the autocovariance and autocorrelation filnction of {Xt}.

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