Question: Q. let 9 x 2 be the ARMA Process defined by t - 1 where 2 WN ( 016 2 ) t a Is 8x

Q. let 9 x 2 be the ARMA Process defined by t - 1 where 2 WN ( 016 2 ) t a Is 8x ? invertible ? b Show that s x 2 is causal Express SX ? as an MA( CO ) Process. d Find Px ( 2 )

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