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Sequences of independent random variables

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X_n consists of two interleaved sequences of independent random variables. When n is even, X_n assumes the values 1 or -1 with probability 1/2; when n is odd, X_n assumes the values 1/3 and -3 with probabilities 9/10 and 1/10 respectively. How do I show that X_n is not stationary but is WSS?

Reference no: EM132081002

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