When Testing H₀ $\pi$ ₁ - $\pi$ ₂ = 0 Versus H₁

question 39

Multiple Choice

When testing H₀ : $\pi$ ₁ - $\pi$ ₂ = 0 versus H₁ : $\pi$ ₁ - $\pi$ ₂ $\neq$ 0 ,the observed value of the Z test statistic was found to be - 2.13.The p-value for this test is

• A)0.0166.
• B)0.0332.
• C)0.9668.
• D)0.9834.

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