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

question 156

Multiple Choice

When testing H₀ : $\pi$ ₁ - $\pi$ ₂ $\le$ 0 versus H₁ : $\pi$ ₁ $\neq$ $\pi$ ₂ $\gt$ 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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Definitions:

Antigen

A substance that the immune system recognizes as foreign and can trigger an immune response, including the production of antibodies.

Antibody

Proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

Immune System

The body's defense mechanism against infections, diseases, and other potentially damaging foreign bodies.

Foreign Invaders

External pathogens such as viruses, bacteria, and other microbes that can cause disease in a host organism.