Answer
No. of members = 5
Members to be chosen = 2
Probability of randomly selecting chairman & ranking member
= 1 / 5P2
= 1 /5 x 4= 0.05
Work Step by Step
As given in answer
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 3.4 Additional Topics in Probability and Counting - Exercises - Page 176: 40
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