Statistics (12th Edition)

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

Chapter 3 - Probability - Exercises 3.1 - 3.34 - Applying the Concepts - Basic: 3.22b

Answer

2 out of 100 people exposed to wet sand for two consecutive hours will acquire gastroenteritis. If a beachgoer spends two hours in the wet sand, the probability that he or she will acquire gastroenteritis is P = 12/100 = .12

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