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A Simple Random Sample from a Normal Distribution Is Taken

question 22

Essay

A simple random sample from a normal distribution is taken in order to obtain a 95% confidence interval for the population mean. If the sample size is 11, the sample mean x is 32, and the sample standard deviation s is 12.6, what is the margin of error? Show your answer to 2 decimal places.


Definitions:

Atherosclerosis

A condition characterized by the buildup of fatty deposits, cholesterol, and other substances on the artery walls, leading to restricted blood flow.

Coronary Arteries

Vessels that supply blood to the heart muscle.

Coronary Heart Disease

A condition characterized by the narrowing of the coronary arteries, leading to a decreased blood supply to the heart muscle.

Coronary Artery Disease

A condition where the coronary arteries that supply blood to the heart muscle become narrowed or blocked.

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