6. A particular waiting area, with two seat rows, can hold twelve people, five in the first row and seven in the second row. How many different sitting arrangements of twelve people are possible if a) there are no restrictions? b) Two persons must be on the same row c) Two persons must not be on the same row? d) Two persons must be on the same row and a third one should be on a different row?

6. A particular waiting area, with two seat rows, can hold twelve people, five in the first row and seven in the second row. How many different sitting arrangements of twelve people are possible if a) there are no restrictions? b) Two persons must be on the same row c) Two persons must not be on the same row? d) Two persons must be on the same row and a third one should be on a different 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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