Question: Exercise 9.10.2. Show that if W1, Wr are independent with Wi W(ni, ,0), then r i=1 Wi W ) r i=1 ni, ,0

Exercise 9.10.2. Show that if W1, · · ·Wr are independent with Wi ∼W(ni,Σ ,0), then rΣ

i=1 Wi ∼W

)

rΣ

i=1 ni,Σ ,0

*

.

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