A Professor at a Local University Noted That the Grades

question 125

Short Answer

A professor at a local university noted that the grades of her students were normally distributed with a mean of 78 and a standard deviation of 10.
a.The professor has informed us that 16.6 percent of her students received grades of A. What is the minimum score needed to receive a grade of A?
b.If 12.1 percent of her students failed the course and received F's, what was the maximum score among those who received an F?
c.If 33 percent of the students received grades of B or better (i.e., A's and B's), what is the minimum score of those who received a B?

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Definitions:

Colonial Governors

Officials appointed to govern a colony, representing the interests of the colonial power and administering its laws and policies.

Political Leaders

Individuals who hold positions of power in government institutions and influence the direction of public policy and governance.

Colonial Ways

Colonial ways refer to the lifestyles, traditions, and cultural practices established during the colonial era in various regions around the world.

Population Increase

The growth in the number of inhabitants in a particular area or country over time, driven by factors such as birth rates, migration, and mortality rates.