A University Administrator Expects That 25% of Students in a Core

question 131

Multiple Choice

A university administrator expects that 25% of students in a core course will receive an A. He looks at the grades assigned to 60 students. The probability that the proportion of students who receive an A is not between 0.20 and 0.30 is ________.

• A) 0.1867
• B) 0.3711
• C) 0.6266
• D) 0.8133

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Definitions:

Archival Research

A research method involving the study and analysis of historical records and documents to find patterns, trends, or information about past events.

Survey

A research method involving the collection of data from a predetermined group of respondents to gain information and insights on various topics.

Personal Information

Data that relates to a specific individual, including details such as name, address, email, or any information that could be used to identify them.

Median

A statistical measure representing the middle value in a sorted list of numbers, dividing the distribution into two equal halves.