Question: E (r) = 5, Var(r) = 3, E (r2) = 10, Var(r2) = 5 Cov(11, 12) = 1 Compute the following 1. E(r1 +12)

E (r) = 5, Var(r) = 3, E (r2) = 10, Var(r2)

E (r) = 5, Var(r) = 3, E (r2) = 10, Var(r2) = 5 Cov(11, 12) = 1 Compute the following 1. E(r1 +12) 2. Var(r1 r2) +2) 3. Var (1+2) 10 4. Var(4.0) 5. Var(-72) 10 6. E(0.2r1 +0.82) Var(0.2r1 +0.8r2) 7. E(2.13)

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