(a) X (b) X (c) X E X-μ (d) (n-1)s² (e) X1+Xn 2

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
72. Given a random sample X₁, X2, ..., Xn from N(μ, o2), how are the following functions of this sample
distributed? You may assume
(a) X
(b)
X-
(c) J
(d) (n-1)s²
(e) X1+Xn
-μ
o/√n
n
1
X = ¹²X₁ and
i=1
N
² =
1
n-1
72
i=1
(X₂ - X)²
Transcribed Image Text:72. Given a random sample X₁, X2, ..., Xn from N(μ, o2), how are the following functions of this sample distributed? You may assume (a) X (b) X- (c) J (d) (n-1)s² (e) X1+Xn -μ o/√n n 1 X = ¹²X₁ and i=1 N ² = 1 n-1 72 i=1 (X₂ - X)²
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