An urn contains 7 white balls and 3 red balls. Three balls are selected. In how many

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An urn contains 7 white balls and 3 red balls. Three balls are selected. In how many ways can the 3 balls be drawn from the total of 10 balls:

(a) If 2 balls are white and 1 is red?

(b) If all 3 balls are white?

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Apr 04, 2019 11:08 AM

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An urn contains 7 white balls and 3 red balls. Three balls are selected. In how many

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a C72 C3...View the full answer

Precalculus

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