Problem 1. There are 4 red balls and 6 blue balls to be arranged in a row on a string. Balls of the same color are not distinguishable. The two ends of the string are not connected. None of the red balls are adjacent to any other red balls. Also, the two balls at two ends must not have the same color. How many ways are there to arrange these balls?

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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Problem 1. There are 4 red balls and 6 blue balls to be arranged in a row
on a string. Balls of the same color are not distinguishable. The two ends of
the string are not connected. None of the red balls are adjacent to any other
red balls. Also, the two balls at two ends must not have the same color. How
many ways are there to arrange these balls?
Transcribed Image Text:Problem 1. There are 4 red balls and 6 blue balls to be arranged in a row on a string. Balls of the same color are not distinguishable. The two ends of the string are not connected. None of the red balls are adjacent to any other red balls. Also, the two balls at two ends must not have the same color. How many ways are there to arrange these balls?
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