How Many Distinct Positive Integer-Valued Vectors Satisfy This Equation?

In summary, the conversation is about the use of Kendall coefficient in a dissertation and the request for help in obtaining the formula for the figure Smax. The person asking for help has not been able to find the formula anywhere and needs urgent assistance.
  • #1
anik18
11
0
how many distinct positive integer- valued vectors (x1 , x2 , . . . , x6) satisfying
x1+ x2+. . .+x6 = 12 if 2 of xi must be = 1 ?

please help this question

book: A First Course in Probability (7th) by Ross
 
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  • #2
You agreed to abide by the rules when you joined Physics Forums. You have now posted several homework problems that specifically say "no homework". Moreover, you have not shown any understanding of the problem (what are the relevant equations?) or shown any work.
 
  • #3
some of the homework i am unable to do. Then what is the benefit of opening the forum website. they have to help someone to solve their problems not always showing their own answers.
 
  • #4
no one is required to help. And there is an homework forum
 
  • #5
Kendall coefficient

Could you please help me in the Kendall concordance of coefficient?
The Kendall coefficient figure has been shown in the attached file.
My question is how can we get the figure Smax? What is the start and what kind of steps are to get this formula?
If you have this steps could you please send me. It is very urgent to me.

Thank you.
J
 

Attachments

  • kendall.jpg
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  • #7
Hi, EnumaElish
The usage of Kendall coefficient was an instruction to develop something in my dissertation and my consultant question was the above.

I didn't find anywhere.

Regards,
J
 

FAQ: How Many Distinct Positive Integer-Valued Vectors Satisfy This Equation?

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