Exhibit 6-10 A Professor at a Local University Noted That the Exam

question 44

Multiple Choice

Exhibit 6-10
A professor at a local university noted that the exam grades of her students were normally distributed with a mean of 73 and a standard deviation of 11.
-Refer to Exhibit 6-10. If 69.5 percent of the students received grades of C or better, what is the minimum score of those who received C's?

• A)70.39
• B)67.39
• C)50.39
• D)65.39

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Definitions:

Zero Population Growth

Point at which the birth rate equals the death rate. A population with zero population growth does not change in size.

Increase

A rise or growth in quantity, size, intensity, or some other measure.

Population Density

The number of individuals of a species per unit of area or volume at a given time.

Individuals

Separate and distinct organisms or entities, often used in the context of discussing a single member of a species.