A University Planner Is Interested in Determining the Percentage of Spring

question 136

Short Answer

A university planner is interested in determining the percentage of spring semester students who will attend summer school. She takes a pilot sample of 160 spring semester students discovering that 56 will return to summer school.
a.Construct a 95% confidence interval estimate for the percentage of spring semester students who will return to summer school.
b.Using the results of the pilot study with a 0.95 probability, how large of a sample would have to be taken to provide a margin of error of 3% or less?

---

Definitions:

Technology Use

The use of scientific understanding in practical applications, particularly within industry and daily activities.

Sales

The exchange of a commodity or service for money; the action of selling something.

Human Skill

The ability to work well with others, often considered essential for effective management and team collaboration.

Principle of Reciprocity

A social norm suggesting that a favor done for someone should be reciprocated by them in the future.