Determine the value for c and the covariance and

Chapter 5, Problem 35E

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QUESTION:

Determine the value for c and the covariance and correlation for the joint probability mass function \(f_{x y}(x, y)=c(x+y)\) for x = 1,2,3 and y = 1,2,3.

Equation transcription:

Text transcription:

f_{x y}(x, y)=c(x+y)

Questions & Answers

QUESTION:

Determine the value for c and the covariance and correlation for the joint probability mass function \(f_{x y}(x, y)=c(x+y)\) for x = 1,2,3 and y = 1,2,3.

Equation transcription:

Text transcription:

f_{x y}(x, y)=c(x+y)

ANSWER:

Solution:

Step 1 of 2:

    Given the joint probability mass function is

             for x = 1,2,3 and y = 1,2,3.

     We have to determine the value of c, and also find the correlation and covariance for the joint probability mass function.  

 


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