A shipment of 12 microwave ovens contains three defective units. A vending company purchases four units at

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A shipment of 12 microwave ovens contains three defective units. A vending company purchases four units at random. What is the probability that
(a) All four units are good,
(b) Exactly two units are good,
(c) At least two units are good?

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Algebra and Trigonometry

ISBN: 978-1337271172

10th edition

Authors: Ron Larson

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Question Posted: Feb 14, 2018 04:15 AM

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A shipment of 12 microwave ovens contains three defective units. A vending company purchases four units at

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a 9 C 4 12 C 4 126 495 14 55 4 good units ...View the full answer

Algebra and Trigonometry

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