1. What is the expected number of red balls when three balls are selected at random, with...

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1. What is the expected number of red balls when three balls are selected at random, with replacement, from an urn containing four red balls and three green balls? Without replacement?
2. Cards What is the expected number of hearts when two cards are selected at random, with replacement, from a deck of 52 cards? Without replacement?
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Finite Mathematics and Its Applications

ISBN: 978-0134768632

12th edition

Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair

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