Eight people attend a meeting together and sit in a row with exactly eight seats that have passage for walking at both ends. i. How many ways they all can be seated together in the row? ii. Suppose there is one security guard from the eight person that must sit at the end of the row in case of emergency. How many ways can they all sit together in the row with the security guard sits at the end of the row? Suppose the eight people consist of four married couples. Each of them wants to sit together with wife on the left. How many ways can the eight people be seated together in iii. the row?
Eight people attend a meeting together and sit in a row with exactly eight seats that have passage for walking at both ends. i. How many ways they all can be seated together in the row? ii. Suppose there is one security guard from the eight person that must sit at the end of the row in case of emergency. How many ways can they all sit together in the row with the security guard sits at the end of the row? Suppose the eight people consist of four married couples. Each of them wants to sit together with wife on the left. How many ways can the eight people be seated together in iii. the row?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Eight people attend a meeting together and sit in a row with exactly eight seats that have
for walking at both ends.
c)
passage
i.
How many ways they all can be seated together in the row?
ii.
Suppose there is one security guard from the eight person that must sit at the end of the
row in case of emergency. How many ways can they all sit together in the row with the
security guard sits at the end of the row?
iii.
Suppose the eight people consist of four married couples. Each of them wants to sit
together with wife on the left. How many ways can the eight people be seated together in
the row?
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