Suppose That a Random Sample of 85 High School Classrooms

question 30

Multiple Choice

Suppose that a random sample of 85 high school classrooms in the state of Iowa is selected and a 95% confidence interval for the proportion that has Internet access is (0.73, 0.79) . Which of the following is a correct interpretation of the 95% confidence level? ​

• A)The method used to construct the interval will produce an interval that includes the value of the population proportion about 95% of the time in repeated sampling.
• B)You can be 95% confident that the sample proportion is between 0.73 and 0.79.
• C)There is a 95% chance that the proportion of all high school classrooms in Iowa that have Internet access is between 0.73 and 0.79.
• D)You can be 95% confident that the proportion of all high school classrooms in Iowa that have Internet access is between 0.73 and 0.79.
• E)None of the above is a correct interpretation of the confidence level.

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Definitions:

B Cells

A type of white blood cell that plays a significant role in the adaptive immune response, producing antibodies against antigens.

Lymph Capillary

Tiny, thin-walled vessels located in the spaces between cells which serve to drain and transport lymph from tissues to the lymphatic system.

Blood Capillary

The smallest blood vessels in the body, connecting arterioles to venules and facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.

Vena Cava

Large systemic vein that returns blood to the right atrium of the heart in tetrapods; either the superior or inferior vena cava.