Answer
10 pairs are attached to knee and 6 pairs are attached to ankle. So possible pairs can be
10P6 = 10! / 6! (10-6)!
= 10! / 6! 4! = 210
Work Step by Step
As given in answer
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 3 - Probability - Exercises 3.112 - 3.137 - Applying the Concepts - Basic - Page 162: 3.122c
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