Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 4 - Probability and Counting Rules - 4-2 The Addition Rules for Probability - Exercises 4-2: 11

Answer

a.) 0.8571 b.) 0.5714 c.) 1

Work Step by Step

a.) 18/28+12/28-6/28=24/28= 0.8571 b.) 10/28+12/28-6/28= 16/28= 0.5714 c.) 28/28+ 28/28= 1
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