Let X U[0,b] and Mn maxin Xi . Derive the asymptotic distribution using the following the
Question:
Let X »U[0,b] and Mn Æ maxi·n Xi . Derive the asymptotic distribution using the following the steps.
(a) Calculate the distribution F(x) ofU[0,b].
(b) Show Zn Æ n (Mn ¡b) Æ n
µ
max 1·i·n Xi ¡b
¶
Æ max 1·i·n n (Xi ¡b) .
(c) Show that the CDF of Zn is Gn(x) Æ P[Zn · x] Æ
³
F
³
b Å
x n
´´n
.
(d) Derive the limit of Gn(x) as n!1for x Ç 0.
Hint: Use limn!1 ³
1Å
x n ´n Æ exp(x).
(e) Derive the limit of Gn(x) as n!1for x ¸ 0.
(f ) Find the asymptotic distribution of Zn as n!1.
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