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 - 4-5 Probability and Counting Rules - Exercises 4-5 - Page 246: 13



Work Step by Step

Total outcomes $6\times6\times6=216$ There are 16 outcomes (115,124,133,142,151,214,223,232,241,313,322,331,412,421,511) for a sum of 7 The probability of getting a sum of 7 is $p=17/216=0.079$
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