A Population Proportion Is to Be Estimated from the Sample $= 225$

question 5

Multiple Choice

A population proportion is to be estimated from the sample described. Approximate the 95% confidence interval. Round your answer to four decimal places, if necessary.
-Sample size $= 225$ , sample proportion $= 0.9$

• A) \(0.8600 < p < 0.9400\)
• B) \(0.8973 < p < 0.9027\)
• C) \(0.8333 < p < 0.9667\)
• D) \(0.8717 < p < 0.9283\)

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Definitions:

Contrast Error

A performance appraisal bias where an employee's evaluation is affected by comparing them with others rather than against specific objective criteria.

Interviewer

A person who asks questions, often for job selection purposes or in research contexts.

Applicant

An individual who expresses formal interest in an open position or opportunity within an organization.

Pygmalion Effect

The phenomenon whereby higher expectations lead to an increase in performance; a form of self-fulfilling prophecy in the context of personal or organizational development.