i) Find the sampling distribution of the statistic W = X₁ + 2X₂ −X3 + X4+X5- ii) What is the value of the sample size n, if P[Σ₁(X¡ − X)² > 68.3392] = 0.025? iii) What is the value of the sample size m, if P(|Ỹ - µyl ≥10) <0.04?

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