You Are Taking a Class with a Large Number of Students.The

question 37

Multiple Choice

You are taking a class with a large number of students.The professor notes that the midterm exam scores were bell-shaped but doesn't tell you the mean.You take a random sample of 10 students and construct a 95% confidence interval for the mean exam score.Now the professor wants to give everyone 5 extra points on the exam.How will your confidence interval change?

• A)The sample mean will increase by 5 points and the margin of error will also.
• B)The sample mean will increase by 5 points but the margin of error will stay the same.
• C)The sample mean will stay the same but the margin of error will increase by 5 points.
• D)Both the sample mean and the margin of error will remain unchanged.

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Definitions:

Zero

Zero is a numerical value representing the absence of any quantity or magnitude; it plays a central role in mathematics and economics.

Corporate Form

A legal structure for a business, recognized by law as separate from its owners, with its own rights, privileges, and liabilities.

Business Revenues

The income generated from the sale of goods and services before any costs or expenses are deducted.

Economic Losses

The difference when total costs exceed total revenues, indicating a negative outcome from business activities.