A box containing 500 smart phones has 20 defective phones. If 10 phones are selected together from

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A box containing 500 smart phones has 20 defective phones. If 10 phones are selected together from the box, what is the probability that
(a) All 10 are defective?
(b) None is defective?
(c) Half of them are defective?

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Mathematical Applications for the Management Life and Social Sciences

ISBN: 978-1305108042

11th edition

Authors: Ronald J. Harshbarger, James J. Reynolds

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Question Posted: Feb 09, 2018 05:59 AM

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A box containing 500 smart phones has 20 defective phones. If 10 phones are selected together from

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Mathematical Applications for the Management Life and Social Sciences

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