Evaluate E=z P₁ 91 P2 0 n₁ n₂ X₁ for z* = 2.575, x₁ = 37, x₂ = 77, n₁ = 43, n₂ = 91, P₁ = ₁ E= (Round to four decimal places as needed.) • 9₁ = 1- P₁, P₂² and q₂ = 1-P₂- X2 n2 ***

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