A batch of 20 used automobile alternators contains 4 defectives. If 3 alternators are sampled at random,

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A batch of 20 used automobile alternators contains 4 defectives. If 3 alternators are sampled at random, find the probability of the event
(a) A = [None of the defectives appear]
(b) B = [Exactly two defectives appear]

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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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Question Posted: Apr 19, 2016 10:38 AM

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A batch of 20 used automobile alternators contains 4 defectives. If 3 alternators are sampled at random,

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Statistics Principles And Methods

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