A University Dean Is Interested in Determining the Proportion of Students

question 133

Multiple Choice

A university dean is interested in determining the proportion of students who receive some sort of financial aid. Rather than examine the records for all students, the dean randomly selects 200 students and finds that 118 of them are receiving financial aid. The 95% confidence interval for π is 0.59 ± 0.07. Interpret this interval.

• A) We are 95% confident that the true proportion of all students receiving financial aid is between 0.52 and 0.66.
• B) 95% of the students get between 52% and 66% of their tuition paid for by financial aid.
• C) We are 95% confident that between 52% and 66% of the sampled students receive some sort of financial aid.
• D) We are 95% confident that 59% of the students are on some sort of financial aid.

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Definitions:

Modifying

The act of making changes or adjustments to something in order to improve it or to adapt it to new conditions.

Behavior Change

The modification of human behaviors or habits, often aimed at personal development or improved health outcomes.

Feedback

Objective information about performance.

Publicizing

The process of promoting or making something widely known to the public, often used in marketing.