The Confidence Interval for a Proportion Uses the Following Formula $\mathrm{p} \pm Z S_{p}$

question 4

Multiple Choice

The confidence interval for a proportion uses the following formula:

• A) \( \mathrm{p} \pm Z S_{p} \)
• B) \( S_{p} \pm Z P \)
• C) \( \bar{X} \pm Z S_{s} \)
• D) none of the above

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Definitions:

Margin Of Error

An estimate of the amount of random sampling error in a survey's results, expressing the range within which the true value is expected to lie with a certain level of confidence.

Sample Size

The number of observations or units included in a sample from a population, critical for the reliability of statistical analyses.

Interval Estimate

An array of values extracted from sampling efforts, which is supposed to enclose the value of an unidentified population parameter.

Population Parameter

A numerical value that summarizes or describes an aspect of a population, such as the mean or variance.