A bag contains 5 black balls and 7 white balls. If we draw 4 balls, with each

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A bag contains 5 black balls and 7 white balls. If we draw 4 balls, with each one replaced before the next is drawn, what is the probability that
(a) 2 balls are black?
(b) At least 2 balls are black?

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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 06:24 AM

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A bag contains 5 black balls and 7 white balls. If we draw 4 balls, with each

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Mathematical Applications for the Management Life and Social Sciences

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