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21-01-2023
Mathematics

contestada

Given Y1 and Y2 are random variables with E(Y1) = 10, E(Y2) = 2, 9 and 4. 2 2
1 2
  Y Y  
a. Calculate E(4Y1 – 2Y2 + 6)
b. Calculate V(4Y1 – 2Y2 + 6)

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