Suppose X and Y have joint probability density function 1/2 if 0 < x < 1, 0 < y < 1, 1/3 if 1

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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Suppose X and Y have joint probability density function
1/2 if 0<x< 1, 0 <y< 1,
1/3 if 1<x<0, 0 <y< 1,
if -1 < x <0, -1<y<0,
if 0 < x < 1, −1 <y<0,
otherwise.
f(x, y) = 1/8
C
0
(a) Find the value of the constant C.
(b) Find the variance of X.
Transcribed Image Text:Suppose X and Y have joint probability density function 1/2 if 0<x< 1, 0 <y< 1, 1/3 if 1<x<0, 0 <y< 1, if -1 < x <0, -1<y<0, if 0 < x < 1, −1 <y<0, otherwise. f(x, y) = 1/8 C 0 (a) Find the value of the constant C. (b) Find the variance of X.
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