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Var(Y)= 1.29

what is the value of 

a)Var(3Y+2)

b)Var(1-2Y)

 Oct 30, 2018
 #1
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\(Var[a X + b] = a^2 Var[X]\)

 

\(Var[3Y+2] = 9 Var[Y] = 11.61\\ \\ Var[1-2Y] = 4 Var[Y] = 5.16\)

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 Oct 30, 2018

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