College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 9, Counting and Probability - Section 9.2 - Probability - 9.2 Exercises - Page 668: 14

Answer

a) $\frac{5}{8}$ b) 1 c) $\frac{6}{8} = \frac{3}{4}$

Work Step by Step

a) Drawing a neither yellow nor white ball is equivalent to drawing a white ball, which has a probability of $\frac{5}{8}$ because there are 5 red balls and 8 total. b) All the balls are either yellow, white, or red, so the probability is 1. c) There are 6 balls that are not white, so there is a probability of $\frac{6}{8}$, which is equal to $\frac{3}{4}$.
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