Answer
Total drugs = 6
Drugs in each combination = 5
Total combinations = 6C5 = 6! / 5! (6-5)! = 6
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 3.1 - 3.34 - Applying the Concepts - Advanced - Page 123: 3.33d
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