A Sample of 250 Observations Is to Be Selected at Random

question 116

Short Answer

A sample of 250 observations is to be selected at random from an infinite population. Given that the population proportion is 0.25, the standard error of the sampling distribution of the sample proportion is: $\begin{array}{|l|l|}\hline\text { A. } & 0.0274 . \\\hline \text { B. } & 0.50 . \\\hline \text { C. } & 0.0316 . \\\hline \text { D. } & 0.0548 . \\\hline\end{array}$

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Definitions:

Body Mass Index

A metric for assessing body fat, using both height and weight, designed for use in adults of either sex.

Moderate Exercise

Physical activity that is not too vigorous or too easy, providing health benefits without excessive stress on the body, such as brisk walking or steady bicycling.

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including conditions such as coronary artery disease, heart failure, and stroke.