Finite Math and Applied Calculus (6th Edition)

by Waner, Stefan; Costenoble, Steven

Published by Brooks Cole

ISBN 10: 1133607705

ISBN 13: 978-1-13360-770-0

Chapter 7 - Section 7.1 - Sample Spaces and Events - Exercises - Page 458: 56

Answer

75% 21.43%

Work Step by Step

15 of 20 new authors are unsuccessful. That is $15/20*100=75$% 15 of 70 unsuccessful author are new. That is $15/70*100=21.43$%

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