Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 9 - Counting and Probability - Exercise Set 9.1 - Page 523: 11

Answer

a. S= { HHH,HHT,HTT,HTH,THH,TTH,THT,TTT} b. i) {HTT,THT,TTH} $\frac{3}{8}$ *100% = 37.5% ii) {HHT,THH,HTH,HHH} $\frac{4}{8}$ *100% = 50% iii) {TTT} $\frac{1}{8}$ *100% = 12.5%

Work Step by Step

a. S= { HHH,HHT,HTT,HTH,THH,TTH,THT,TTT} b. i) {HTT,THT,TTH} $\frac{3}{8}$ *100% = 37.5% ii) {HHT,THH,HTH,HHH} $\frac{4}{8}$ *100% = 50% iii) {TTT} $\frac{1}{8}$ *100% = 12.5%
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