→ johnsonla:你做到哪邊卡住的? 03/02 15:50
兩個 independent Normal Variables Z1, Z2
let X1 = σ1 √T Z1
X2 = σ2 √T (ρZ1 + √(1-ρ^2) Z2)
prove correlation of X1 and X2 is ρ
請問各位高手 這題要怎麼證呢 謝謝
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