A Random Sample of 100 Members Is Selected from the Population

question 58

Multiple Choice

A random sample of 100 members is selected from the population of UTU union members.A second sample, this one of size 200, is selected from the population of AFB union members.A third sample, also of size 200, is selected from the population of CCO union members.You use your results to fill in the table below showing the number of members in each sample who are satisfied with the representation that their union provides. You then use a chi-square test to test the null hypothesis that the three union populations represented here contain the same proportion of satisfied members.The significance level for the test is 5%.If the p-value for the sample result turns out to be .1642, what should you conclude?

• A)Don't reject the hypothesis that the proportion of satisfied members is not the same in all three union populations.
• B)Reject the hypothesis that the proportion of satisfied members is different in the three union populations.
• C)The sample provides strong evidence that the proportion of satisfied members is the same in all three union populations.
• D)The sample provides strong evidence that the proportion of satisfied members is not the same in all three union populations.

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Definitions:

Health History

A comprehensive record of a person's medical history including illnesses, surgeries, and medication history.

Stress Level

A measure of the amount of mental or emotional strain or tension resulting from adverse or demanding circumstances.

Blood Pressure

The pressure applied by flowing blood against the walls of the arteries, used to evaluate the health of the heart and blood vessels.

Pulmonary Infections

Infections affecting the lungs, which can be caused by bacteria, viruses, fungi, or parasites, leading to conditions such as pneumonia.