Consider a collection of 100 light bulbs. Let Xj denote the lifetime of the jth bulb. Let

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Consider a collection of 100 light bulbs. Let Xj denote the lifetime of the jth bulb. Let Y denote the sum of the lifetimes of all 100 bulbs.
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Introduction to Probability

ISBN: 978-0716771098

1st edition

Authors: Mark Daniel Ward, Ellen Gundlach

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