In City A,7420 People Are Unemployed in a Random Sample

question 7

Multiple Choice

In City A,7420 people are unemployed in a random sample of 143000 people.In City B,7642 people are unemployed in a random sample of 142000 people.

• A)P-value = 0.0214; If there is no difference in the proportions,there is about a 2.14% chance of seeing the observed difference or larger by natural sampling variation.
• B)P-value = 0.0107; If there is no difference in the proportions,there is about a 1.07% chance of seeing the observed difference or larger by natural sampling variation.
• C)P-value = 0.0214; There is about a 2.14% chance that the two proportions are equal.
• D)P-value = 0.0107; There is about a 1.07% chance that the two proportions are equal.
• E)P-value = 0.9893; If there is no difference in the proportions,there is about a 98.93% chance of seeing the observed difference or larger by natural sampling variation.

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Definitions:

Shift Workers

Individuals whose job schedules require them to work at times beyond the typical "9 to 5" workday, often resulting in changes to sleep patterns and health risks.

Metabolic Syndrome

A cluster of conditions including increased blood pressure, high blood sugar, excess body fat around the waist, and abnormal cholesterol or triglyceride levels, that together increase the risk of heart disease, stroke, and diabetes.

Insomnia

Symptom of a number of disorders characterized by an inability to fall asleep or stay asleep.

Suprachiasmatic Nucleus

A tiny area within the hypothalamus part of the brain, tasked with regulating daily biological cycles.