Find a 95 Percent Confidence Interval for P When $\hat { p }$

question 73

Essay

Find a 95 percent confidence interval for p when $\hat { p }$
=.25 and n = 400.

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Definitions:

Null Hypothesis

A statement that there is no effect or no difference, which is tested statistically to be either rejected or not rejected based on data.

Expected Frequencies

The predicted count of occurrences across different categories in a statistical analysis.

Observed Frequencies

The actual counts or occurrences of variables in a dataset, as recorded or observed without any modifications.

Checked-Out Materials

Items or resources that have been borrowed from a library or similar institution, typically requiring eventual return or renewal.