1. If y=(₁,₂,₂) be a random vector with mean vector and covariance matrix (11 0 = 1 2 3 0 3 10 Apply the appropriate matrices and linear algebra concepts to determine parameters of the distribution for (a) z when z=2y₁-3y₂ +₁. (b) z=(2₁.2₂) with 2₁ = ₁ + ₂ + ₁ and Z₂ = 3Y₁ + Y₂ −2y₁.

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