Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 7 - Section 7.1 - Assess Your Understanding - Vocabulary and Skill Building - Page 367: 14b

Answer

There is a 90% probability that the friend will arrive within the 27 minutes, (or by 10:27 am)

Work Step by Step

$\frac{90}{100} \times 30 = 27$ There is a 90% probability that the friend will arrive within the 27 minutes, (or by 10:27 am)
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