In testing the hypotheses H₀: p₁ - p₂ = 0 H_A: p₁ - p₂

Question

In testing the hypotheses
H₀: p₁ - p₂ = 0
H_A: p₁ - p₂ < 0,
we find the following statistics:
n₁ = 400, x₁ = 105.
n₂ = 500, x₂ = 140.
Estimate with 90% confidence the difference between the two population proportions.

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The Answer of In testing the hypotheses H₀: p₁ - p₂ = 0 H_A: p₁ - p₂ < 0, we find the following statistics: n₁ = 400, x₁ = 105. n₂ = 500, x₂ = 140. Estimate with 90% confidence the difference between the two population proportions.

In Testing the Hypotheses