Statistics (12th Edition)

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

Chapter 4 - Discrete Random Variables - Exercises 4.34 - 4.49 - Understanding the Principles - Page 193: 4.36


For a mound-shaped, symmetric distribution, the probability that x falls into the interval μ +- 2σ is 0.95

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