3. In how many ways can 5 boys and 4 girls be arranged on a bench if: a. there are no restrictions? b. boys and girls alternate?

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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Analyze the given problem if it's permutation, combination, factorial or fundamental. Provide a clear solution. 

3. In how many ways can 5 boys and 4 girls
be arranged on a bench if:
a. there are no restrictions?
b. boys and girls alternate?
Transcribed Image Text:3. In how many ways can 5 boys and 4 girls be arranged on a bench if: a. there are no restrictions? b. boys and girls alternate?
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