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12) Let X1, X2, X~N(u, 62) which the following statement true a) X-N(,82),S2~x b)X-N(H,82²/n),S2~x-1- c) X-N(u,82), n S2/82-x. d) X-N(u.52/n), n S2/82-x-1

12) Let X1, X2, X~N(u, 62) which the following statement true a) X-N(,82),S2~x b)X-N(H,82²/n),S2~x-1- c) X-N(u,82), n S2/82-x. d) X-N(u.52/n), n S2/82-x-1

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.4: Fractional Expressions
Problem 70E
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12) Let X1, X2, X~N(u, 62) which the following statement true a) X-N(,82),S2~x b)X-N(H,82²/n),S2~x-1- c) X-N(u,82), n S2/82-x. d) X-N(u.52/n), n S2/82-x-1
Transcribed Image Text:12) Let X1, X2, X~N(u, 62) which the following statement true a) X-N(,82),S2~x b)X-N(H,82²/n),S2~x-1- c) X-N(u,82), n S2/82-x. d) X-N(u.52/n), n S2/82-x-1
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