Let S be a sample space. (a) Show that the collection B = {,5} is a sigma

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Let S be a sample space.
(a) Show that the collection B = {ϕ,5} is a sigma algebra.
(b) Let B = {all subsets of S, including S itself). Show that B is a sigma algebra.
(c) Show that the intersection of two sigma algebras is a sigma algebra.
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Statistical Inference

ISBN: 978-0534243128

2nd edition

Authors: George Casella, Roger L. Berger

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