(a) In how many ways can 6 people be lined up to get on a bus? (b)...
Question:
(b) If 3 specific persons, among 6, insist on following each other, how many ways are possible?
(c) If 2 specific persons, among 6, refuse to follow each other, how many ways are possible?
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a By Theorem 23 there are 6 720 ways b A certain 3 pers...View the full answer
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Related Book For 
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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