Solution Found!
Let X and Y have a trinomial distribution with n = 2, pX =
Chapter 4, Problem 5E(choose chapter or problem)
Let \(X\) and \(Y\) have a trinomial distribution with \(n=2, p_{X}=1 / 4\), and \(p_{Y}=1 / 2\).
(a) Give \(E(Y \mid x)\).
(b) Compare your answer in part (a) with the equation of the line of best fit in Example 4.2-2. Are they the same? Why or why not?
Equation Transcription:
Text Transcription:
X
Y n=2, p_X=1/4
p_Y=1/2
E(Y∣x)
Questions & Answers
QUESTION:
Let \(X\) and \(Y\) have a trinomial distribution with \(n=2, p_{X}=1 / 4\), and \(p_{Y}=1 / 2\).
(a) Give \(E(Y \mid x)\).
(b) Compare your answer in part (a) with the equation of the line of best fit in Example 4.2-2. Are they the same? Why or why not?
Equation Transcription:
Text Transcription:
X
Y n=2, p_X=1/4
p_Y=1/2
E(Y∣x)
ANSWER:
Step 1 of 5 :
We have that X and Y have the trinomial distribution with n=2, p(X)=and p(Y)=.
The joint probability mass function of x and Y is given as
f(x,y)=
=:0