Given a marginal p.m.f of x: f₁(x) (x) = { // , for x = 5,6 0 O.W and a marginal p.m.f of y: f2(y) = {for y= 1,7 Then the values of (k) and (c) are k=30, c=7O k=2, c=8 O k=11, c=8 O

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.6: Rational Functions
Problem 2E
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%TE III. Q
Given a marginal p.m.f of x: f₁(x) = { k
, for x = 5,6
O.W
F
and a marginal p.m.f of y: f₂(y) = { for y= 1,7
O. W
Then the values of (k) and (c) are
k=30, c=7O
k=2, c=8
k=11, c=8
Given a J.p.f of x and y as
(x+y
f(x,y) = {x+y
for 0<x< 1, 0 <y <1
O.W
then the mean of x and y (E(x, y)) is
1/6
1/3 O
2/3
Cov(x,y)=v(y) if x=y
True
False
|||
۱۲:۰۸
!
Transcribed Image Text:%TE III. Q Given a marginal p.m.f of x: f₁(x) = { k , for x = 5,6 O.W F and a marginal p.m.f of y: f₂(y) = { for y= 1,7 O. W Then the values of (k) and (c) are k=30, c=7O k=2, c=8 k=11, c=8 Given a J.p.f of x and y as (x+y f(x,y) = {x+y for 0<x< 1, 0 <y <1 O.W then the mean of x and y (E(x, y)) is 1/6 1/3 O 2/3 Cov(x,y)=v(y) if x=y True False ||| ۱۲:۰۸ !
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