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JX₁.X: (2₁, 12) = exp{-(2²+ = exp{-15 [21² +2₁2 + 5x² - 18r2+1 +18]}. бл (a) Is this a bivariate normal distribution ? (b) Find the mean vector and covariance matrix for this bivariate distribution. - () -( )

JX₁.X: (2₁, 12) = exp{-(2²+ = exp{-15 [21² +2₁2 + 5x² - 18r2+1 +18]}. бл (a) Is this a bivariate normal distribution ? (b) Find the mean vector and covariance matrix for this bivariate distribution. - () -( )

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1. The joint density function for X₁ and X₂ is fx₁, x₂ (₁,2)= exp 1 бл p{- [2x² + 2x₁2 + 5x² - 18x2 +18]} (a) Is this a bivariate normal distribution ? (b) Find the mean vector and covariance matrix for this bivariate distribution. 2-( ) *-( )
Transcribed Image Text:1. The joint density function for X₁ and X₂ is fx₁, x₂ (₁,2)= exp 1 бл p{- [2x² + 2x₁2 + 5x² - 18x2 +18]} (a) Is this a bivariate normal distribution ? (b) Find the mean vector and covariance matrix for this bivariate distribution. 2-( ) *-( )
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