An Analysis of the Grades on the fiRst Test in History

question 2

Multiple Choice

An analysis of the grades on the first test in History 101 revealed that they approximate a normal
Curve with a mean of 75 and a standard deviation of 8. The instructor wants to award the grade of A
To the upper 10 percent of the test grades. What is the dividing point between an A and a B grade?

• A) 80
• B) 85
• C) 90
• D) 95

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Definitions:

Annual Growth Rate

The percentage increase in the value of an investment or portfolio over the period of a year.

Price of Gold

The current market value per ounce of pure gold, which fluctuates based on various economic and geopolitical factors.

Highest Value

The maximum value attained or attainable under specific conditions.

Compounded Semi-annually

Interest on an investment is calculated and added to the principal amount two times a year, leading to exponential growth.