Sigmax25 sigmay23 ux1 uy2 z2x 4y 3 What is the mean and va

Sigma(x)^2=5, sigma(y)^2=3
u(x)=1, u(y)=2
z=-2x + 4y - 3
What is the mean and variance of z
Sigma(x)^2=5, sigma(y)^2=3
u(x)=1, u(y)=2
z=-2x + 4y - 3
What is the mean and variance of z
u(x)=1, u(y)=2
z=-2x + 4y - 3
What is the mean and variance of z

Solution

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 Sigma(x)^2=5, sigma(y)^2=3 u(x)=1, u(y)=2 z=-2x + 4y - 3 What is the mean and variance of z Sigma(x)^2=5, sigma(y)^2=3 u(x)=1, u(y)=2 z=-2x + 4y - 3 What is th

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