Examlex

Solved

A Final Exam in Math 160 Has a Mean of 73

question 68

Multiple Choice

A final exam in Math 160 has a mean of 73 with standard deviation 7.8. If 24 students are randomly selected, find the probability that the mean of their test scores is greater than 78.


Definitions:

American Revolution

The historical period (1765-1783) in which the Thirteen Colonies in North America won independence from Great Britain, leading to the formation of the United States.

Russia

The largest country in the world, spanning Eastern Europe and northern Asia, known for its rich history, cultural heritage, and as a major player in global politics.

John Adams

John Adams was the second President of the United States (1797–1801), a founding father, and a major figure in the American Revolution, known for his advocacy of independence from Great Britain.

Dutch

Refers to anything related to the Netherlands, its people, culture, or language.

Related Questions