Statistics (12th Edition)

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

Chapter 3 - Probability - Exercises 3.63 - 3.97 - Applying the Concepts - Intermediate - Page 147: 3.83

Answer

Let A = I play in wet sand and B = My friend swim, then P(AUB) = P(A) + P(B) - P(A ∩ B) = 0.006 + 0.007 - (0.006 x 0.007) = 0.0130 We need to assume that A and B are independant events

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