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Note: {Zt} W N(0, 2 Z ) denotes white noise. 1. You are given the following time series model: Xt = 2 3Xt1 + 1

Note: {Zt} W N(0, 2 Z ) denotes white noise.

1. You are given the following time series model: Xt = 2 3Xt1 + 1 2Xt2 + Zt.

Determine whether this time series is stationary and/or invertible.

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