BlackDays9015 BlackDays9015

30-05-2023
Mathematics

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Let X₁, X2, X3 be independent Normal (μ, o²) random variables (a) Find the moment generating function of Y = X₁ + X₂ - 2X3 (3 marks) (b) Find Prob(2X₁ ≤ X2 + X3) (3 marks) (c) Find the distribution of s²/0² where s² is the sample variance

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