The Vice Chancellor of a Major University Was Concerned About

question 6

Multiple Choice

The Vice Chancellor of a major university was concerned about alcohol abuse on her campus and wanted to find out the proportion of students at her university who visited the campus bar on the weekend before the final exam period.Her advisor took a random sample of 250 students.
- The answer on 'are you likely to visit the campus bar on the weekend before the final exam period' is an example of

• A) a discrete random variable.
• B) a categorical random variable.
• C) a continuous random variable.
• D) a parameter.

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Definitions:

Oxygen

A chemical element essential for most forms of life on Earth, used in cellular respiration.

Raw Materials

Basic materials from which products are made, including direct materials like wood for furniture or iron ore for steel production.

Isotonic Solution

Solution that is equal in solute concentration to that of the cytoplasm of a cell; causes cell to neither lose nor gain water by osmosis.

Solute Concentration

A measure of the amount of a solute that is dissolved in a solvent, determining the solute's proportion in a solution.