Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 5 - Continuous Random Variables - Exercises 5.1 - 5.19 - Applying the Concepts - Intermediate - Page 230: 5.16c

Answer

If we have to wait for more than 19 minutes, we can accept Director's claim in case the time is less than 20, as in part (b) we observe that P(19 < x < 20) = 0.05, which is not very small and hence a probable situation

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