Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 8 - Section 8.5 - Counting and Introduction to Probability - Exercise Set - Page 582: 30



Work Step by Step

There are 7 marbles in the bag so there are 7 possible outcomes if one marble is selected. There are 1 blue and 2 yellow marbles, so the probability of selecting a blue or yellow marble is 3 out of 7.
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