Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 3 - Probability - Section 3.4 Additional Topics in Probability and Counting - Exercises - Page 177: 58

Answer

Total employees = 8 To be selected = 4 Regions = 4 P(the four sales representatives chosen to participate in the training program will be from three of the four regions = 3 x (4C2 / 8C4) = 3 x (6/70) = 18/70 = 0.257

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