Test Hypotheses About a Population Proportion
-The Business College Computing $35 \%$

question 76

Multiple Choice

Test Hypotheses about a Population Proportion
-The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion exceeds $35 \%$ , then the lab will scale back a proposed enlargement of its facilities. Suppose 300 business students were randomly sampled and 85 have PC's at home. Find the rejection region for this test using $\alpha = 0.10$ .

• A) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } > 1.28\).
• B) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } < - 1.28\).
• C) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } > 1.645\) or \(\mathrm { z } < - 1.645\).
• D) Reject \(\mathrm { H } _ { 0 }\) if \(\mathrm { z } = 1.28\).

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Definitions:

Everyday Emotions

Common emotional responses experienced by individuals in response to daily events and interactions.

General Adaptation Syndrome

A three-stage response model describing the body's physiological reactions to stress: alarm, resistance, and exhaustion.

Alarm Phase

The initial reaction of the body to stress, activating the sympathetic nervous system and the fight or flight response.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, often measured for health assessment.