Elementary Statistics: Picturing the World (6th Edition)

by Larson, Ron; Farber, Betsy

Published by Pearson

ISBN 10: 0321911210

ISBN 13: 978-0-32191-121-6

Chapter 3 - Probability - Section 3.1 Basic Concepts of Probability and Counting - Exercises - Page 141: 36

Answer

552/2163 =0.2552

Work Step by Step

The probability that the next person surveyed is not too prepared = Number of times 'Not too prepared' / Total number of times = 552/2163 = 0.2552

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