The Scores of High-School Students Sitting a Mathematics Exam Were

question 82

Short Answer

The scores of high-school students sitting a mathematics exam were normally distributed, with a mean of 86 and a standard deviation of 4.
a. What is the probability that a randomly selected student will have a score of 80 or less?
b. If there were 97 680 students with scores higher than 91, how many students took the test?

---

Definitions:

Cultural Convergence

The phenomenon where different cultures grow more similar over time due to influences like media, technology, and increased global interactions.

McDonaldization

A concept that describes the process by which the principles of the fast-food industry, such as efficiency and standardization, dominate other sectors of society.

Ulrich Beck

Ulrich Beck was a German sociologist best known for his work on risk society, individualization, and reflexive modernization.

Transnational Organizations

Entities that operate across multiple countries, transcending national boundaries to achieve their objectives.