A Survey of Randomly Selected University Students Found That 83

question 15

Multiple Choice

A survey of randomly selected university students found that 83 of the 110 first year students and 87 of the 120 second year students surveyed had purchased used textbooks in the past year.Construct a 98% confidence interval for the difference in the proportions of first and second year university students who purchased used textbooks.

• A)(-0.084,0.868)
• B)(-0.105,0.164)
• C)(0.641,0.868)
• D)(0.620,0.890)
• E)(0.620,0.868)

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Definitions:

Lives

The existence of individuals or organisms, characterized by growth, reproduction, and the capacity for continual change preceding death.

Liberties

Fundamental rights and freedoms that are protected from infringement by the government or other entities, such as freedom of speech and religion.

Written Constitution

A formally documented constitution that outlines the system of government and fundamental laws of a nation or state.

Magna Carta

The Magna Carta, signed in 1215, is a cornerstone document of English liberties that limited the powers of the monarch and laid the foundation for modern constitutional monarchy and principles of individual rights.