You are to perform tests on seven electronic parts. Each part is made by a different company, but three of them are the same type of part. In how many different (orders) can you perform the tests if the three parts that are the same type must be performed back-to-back-to-back? 7!x3! 5!x3! 7! 5! 7!/3! 4! 3!
You are to perform tests on seven electronic parts. Each part is made by a different company, but three of them are the same type of part. In how many different (orders) can you perform the tests if the three parts that are the same type must be performed back-to-back-to-back? 7!x3! 5!x3! 7! 5! 7!/3! 4! 3!
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:Question 3
You are to perform tests on seven electronic parts. Each part is made by a different company, but
three of them are the same type of part. In how many different (orders) can you perform the tests if
the three parts that are the same type must be performed back-to-back-to-back?
7!x3!
5!x3!
7!
5!
7!/3!
4!
3!
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